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Line 1: {{task\|Programming environment operations}} ~~nigger~~ [[Category:Networking and Web Interaction]] ;Task: Access and print a [[wp:Uniform Resource Locator\|URL]]'s content (the located resource) to the console. There is a separate task for [[HTTPS Request]]s. <br><br> =={{header\|8th}}== <syntaxhighlight lang="forth"> "http://www.rosettacode.org" net:get drop >s . </syntaxhighlight> =={{header\|ABAP}}== This works for ABAP Version 7.40 and above <syntaxhighlight lang="abap"> report z_http. cl_http_client=>create_by_url( exporting url = `http://rosettacode.org/robots.txt` importing client = data(http_client) exceptions argument_not_found = 1 plugin_not_active = 2 internal_error = 3 others = 4 ). if sy-subrc <> 0. data(error_message) = switch string( sy-subrc when 1 then `argument_not_found` when 2 then `plugin_not_active` when 3 then `internal_error` when 4 then `other error` ). write error_message. exit. endif. data(rest_http_client) = cast if_rest_client( new cl_rest_http_client( http_client ) ). rest_http_client->get( ). data(response_string) = rest_http_client->get_response_entity( )->get_string_data( ). split response_string at cl_abap_char_utilities=>newline into table data(output_table). loop at output_table assigning field-symbol(<output_line>). write / <output_line>. endloop. </syntaxhighlight> {{out}} <pre> User-agent: * Allow: /mw/images/ Allow: /mw/skins/ Allow: /mw/title.png Allow: /mw/resources/ Disallow: /w/ Disallow: /mw/ Disallow: /wiki/Special: </pre> =={{header\|ActionScript}}== <syntaxhighlight lang="actionscript"> package { import flash.display.Sprite; import flash.events.Event; import flash.net.; public class RequestExample extends Sprite { public function RequestExample() { var loader:URLLoader = new URLLoader(); loader.addEventListener(Event.COMPLETE, loadComplete); loader.load(new URLRequest("http://www.rosettacode.org")); } private function loadComplete(evt:Event):void { trace(evt.target.data); } } } </syntaxhighlight> =={{header\|Ada}}== {{libheader\|AWS}} <syntaxhighlight lang="ada"> with Ada.Text_IO; use Ada.Text_IO; with AWS.Client; with AWS.Response; procedure HTTP_Request is begin Put_Line (AWS.Response.Message_Body (AWS.Client.Get (URL => "http://www.rosettacode.org"))); end HTTP_Request; </syntaxhighlight> =={{header\|ALGOL 68}}== {{works with\|ALGOL 68\|Revision 1 - however ''grep in string'', ''http content'' and ''str error'' are from a non-standard library}} {{works with\|ALGOL 68G\|Any - tested with release [http://sourceforge.net/projects/algol68/files/algol68g/algol68g-1.18.0/algol68g-1.18.0-9h.tiny.el5.centos.fc11.i386.rpm/download 1.18.0-9h.tiny]}} {{wont work with\|ELLA ALGOL 68\|Any (with appropriate job cards) - tested with release [http://sourceforge.net/projects/algol68/files/algol68toc/algol68toc-1.8.8d/algol68toc-1.8-8d.fc9.i386.rpm/download 1.8-8d] - due to extensive use of ''grep in string'' and ''http content''}} <syntaxhighlight lang="algol68"> STRING domain="rosettacode.org"; STRING page="wiki/Main_Page"; STRING re success="^HTTP/[0-9.] 200"; STRING re result description="^HTTP/[0-9.]* [0-9]+ [a-zA-Z ]"; STRING re doctype ="\s\s<!DOCTYPE html PUBLIC ""[^>]+"">\s+"; PROC html page = (REF STRING page) BOOL: ( BOOL out=grep in string(re success, page, NIL, NIL) = 0; IF INT start, end; grep in string(re result description, page, start, end) = 0 THEN page:=page[end+1:]; IF grep in string(re doctype, page, start, end) = 0 THEN page:=page[start+2:] ELSE print ("unknown format retrieving page") FI ELSE print ("unknown error retrieving page") FI; out ); IF STRING reply; INT rc = http content (reply, domain, "http://"+domain+"/"+page, 0); rc = 0 AND html page (reply) THEN print (reply) ELSE print (strerror (rc)) FI </syntaxhighlight> =={{header\|Amazing Hopper}}== <syntaxhighlight lang="amazing hopper"> #include <hopper.h> main: s=`curl -s -L https://rosettacode.org/wiki/HTTP` {s}len, lenght=0, mov(lenght) {"Size = ",lenght,"\nContent = \n",s}println exit(0) </syntaxhighlight> {{out}} <pre> Size = 402474 Content = <!DOCTYPE html> <html lang="en" dir="ltr" class="client-nojs"> <head> <meta charset="UTF-8" /> ... </pre> =={{header\|Arturo}}== <syntaxhighlight lang="rebol">print read "http://rosettacode.org"</syntaxhighlight> =={{header\|AutoHotkey}}== <syntaxhighlight lang="autohotkey"> UrlDownloadToFile, http://rosettacode.org, url.html Run, cmd /k type url.html </syntaxhighlight> =={{header\|AWK}}== {{works with\|gawk}} <syntaxhighlight lang="awk">BEGIN { site="en.wikipedia.org" path="/wiki/" name="Rosetta_Code" server = "/inet/tcp/0/" site "/80" print "GET " path name " HTTP/1.0" \|& server print "Host: " site \|& server print "\r\n\r\n" \|& server while ( (server \|& getline fish) > 0 ) { if ( ++scale == 1 ) ship = fish else ship = ship "\n" fish } close(server) print ship }</syntaxhighlight> =={{header\|BaCon}}== <syntaxhighlight lang="qbasic">' ' Read and display a website ' IF AMOUNT(ARGUMENT$) = 1 THEN website$ = "www.basic-converter.org" ELSE website$ = TOKEN$(ARGUMENT$, 2) ENDIF OPEN website$ & ":80" FOR NETWORK AS mynet SEND "GET / HTTP/1.1\r\nHost: " & website$ & "\r\n\r\n" TO mynet REPEAT RECEIVE dat$ FROM mynet total$ = total$ & dat$ UNTIL ISFALSE(WAIT(mynet, 500)) CLOSE NETWORK mynet PRINT total$ </syntaxhighlight> =={{header\|Batch File}}== <syntaxhighlight lang="batch"> curl.exe -s -L http://rosettacode.org/ </syntaxhighlight> =={{header\|BBC BASIC}}== {{works with\|BBC BASIC for Windows}} <syntaxhighlight lang="bbcbasic"> SYS "LoadLibrary", "URLMON.DLL" TO urlmon% SYS "GetProcAddress", urlmon%, "URLDownloadToFileA" TO URLDownloadToFile url$ = "http://www.bbcbasic.co.uk/aboutus.html" file$ = @tmp$ + "rosetta.tmp" SYS URLDownloadToFile, 0, url$, file$, 0, 0 TO fail% IF fail% ERROR 100, "File download failed" OSCLI "TYPE """ + file$ + """"</syntaxhighlight> =={{header\|Biferno}}== simple one-liner using httpExt and quick print $ <syntaxhighlight lang="biferno">$httpExt.ExecRemote("www.tabasoft.it")</syntaxhighlight> =={{header\|C}}== {{libheader\|libcurl}} <syntaxhighlight lang="c"> #include <stdio.h> #include <stdlib.h> #include <curl/curl.h> int main(void) { CURL curl; char buffer[CURL_ERROR_SIZE]; if ((curl = curl_easy_init()) != NULL) { curl_easy_setopt(curl, CURLOPT_URL, "http://www.rosettacode.org/"); curl_easy_setopt(curl, CURLOPT_FOLLOWLOCATION, 1); curl_easy_setopt(curl, CURLOPT_ERRORBUFFER, buffer); if (curl_easy_perform(curl) != CURLE_OK) { fprintf(stderr, "%s\n", buffer); return EXIT_FAILURE; } curl_easy_cleanup(curl); } return EXIT_SUCCESS; } </syntaxhighlight> =={{header\|C sharp}}== <syntaxhighlight lang="csharp"> using System; using System.Text; using System.Net; class Program { static void Main(string[] args) { WebClient wc = new WebClient(); string content = wc.DownloadString("http://www.google.com"); Console.WriteLine(content); } } </syntaxhighlight> =={{header\|C++}}== <syntaxhighlight lang="cpp"> #include <winsock2.h> #include <ws2tcpip.h> #include <iostream> int main() { WSADATA wsaData; WSAStartup( MAKEWORD( 2, 2 ), &wsaData ); addrinfo result = NULL; addrinfo hints; ZeroMemory( &hints, sizeof( hints ) ); hints.ai_family = AF_UNSPEC; hints.ai_socktype = SOCK_STREAM; hints.ai_protocol = IPPROTO_TCP; getaddrinfo( "74.125.45.100", "80", &hints, &result ); // http://www.google.com SOCKET s = socket( result->ai_family, result->ai_socktype, result->ai_protocol ); connect( s, result->ai_addr, (int)result->ai_addrlen ); freeaddrinfo( result ); send( s, "GET / HTTP/1.0\n\n", 16, 0 ); char buffer[512]; int bytes; do { bytes = recv( s, buffer, 512, 0 ); if ( bytes > 0 ) std::cout.write(buffer, bytes); } while ( bytes > 0 ); return 0; } </syntaxhighlight> {{libheader\|U++}} <syntaxhighlight lang="cpp"> #include <Web/Web.h> using namespace Upp; CONSOLE_APP_MAIN { Cout() << HttpClient("www.rosettacode.org").ExecuteRedirect(); } </syntaxhighlight> =={{header\|Caché ObjectScript}}== <pre> USER>Set HttpRequest=##class(%Net.HttpRequest).%New() USER>Set HttpRequest.Server="checkip.dyndns.org" USER>Do HttpRequest.Get("/") USER>Do HttpRequest.HttpResponse.Data.OutputToDevice() </pre> =={{header\|Clojure}}== Using the Java API: <syntaxhighlight lang="clojure"> (defn get-http [url] (let [sc (java.util.Scanner. (.openStream (java.net.URL. url)))] (while (.hasNext sc) (println (.nextLine sc))))) (get-http "http://www.rosettacode.org") </syntaxhighlight> Using <code>clojure.contrib.http.agent</code>: <syntaxhighlight lang="clojure"> (ns example (:use [clojure.contrib.http.agent :only (string http-agent)])) (println (string (http-agent "http://www.rosettacode.org/"))) </syntaxhighlight> {{works with\|Clojure\|1.2}} <syntaxhighlight lang="clojure"> (print (slurp "http://www.rosettacode.org/")) </syntaxhighlight> =={{header\|COBOL}}== Tested with GnuCOBOL <syntaxhighlight lang="cobol">COBOL >>SOURCE FORMAT IS FIXED identification division. program-id. curl-rosetta. environment division. configuration section. repository. function read-url function all intrinsic. data division. working-storage section. copy "gccurlsym.cpy". 01 web-page pic x(16777216). 01 curl-status usage binary-long. 01 cli pic x(7) external. 88 helping values "-h", "-help", "help", spaces. 88 displaying value "display". 88 summarizing value "summary". > *************************************************************** procedure division. accept cli from command-line if helping then display "./curl-rosetta [help\|display\|summary]" goback end-if > > Read a web resource into fixed ram. > Caller is in charge of sizing the buffer, > (or getting trickier with the write callback) > Pass URL and working-storage variable, > get back libcURL error code or 0 for success move read-url("http://www.rosettacode.org", web-page) to curl-status perform check perform show goback. > ************************************************************** > Now tesing the result, relying on the gccurlsym > GnuCOBOL Curl Symbol copy book check. if curl-status not equal zero then display curl-status " " CURLEMSG(curl-status) upon syserr end-if . > And display the page show. if summarizing then display "Length: " stored-char-length(web-page) end-if if displaying then display trim(web-page trailing) with no advancing end-if . REPLACE ALSO ==:EXCEPTION-HANDLERS:== BY == > informational warnings and abends soft-exception. display space upon syserr display "--Exception Report-- " upon syserr display "Time of exception: " current-date upon syserr display "Module: " module-id upon syserr display "Module-path: " module-path upon syserr display "Module-source: " module-source upon syserr display "Exception-file: " exception-file upon syserr display "Exception-status: " exception-status upon syserr display "Exception-location: " exception-location upon syserr display "Exception-statement: " exception-statement upon syserr . hard-exception. perform soft-exception stop run returning 127 . ==. end program curl-rosetta. > ************************************************************** > ************************************************************** > > The function hiding all the curl details > > Purpose: Call libcURL and read into memory > ************************************************************** identification division. function-id. read-url. environment division. configuration section. repository. function all intrinsic. data division. working-storage section. copy "gccurlsym.cpy". replace also ==:CALL-EXCEPTION:== by == on exception perform hard-exception ==. 01 curl-handle usage pointer. 01 callback-handle usage procedure-pointer. 01 memory-block. 05 memory-address usage pointer sync. 05 memory-size usage binary-long sync. 05 running-total usage binary-long sync. 01 curl-result usage binary-long. 01 cli pic x(7) external. 88 helping values "-h", "-help", "help", spaces. 88 displaying value "display". 88 summarizing value "summary". linkage section. 01 url pic x any length. 01 buffer pic x any length. 01 curl-status usage binary-long. > ************************************************************** procedure division using url buffer returning curl-status. if displaying or summarizing then display "Read: " url upon syserr end-if > initialize libcurl, hint at missing library if need be call "curl_global_init" using by value CURL_GLOBAL_ALL on exception display "need libcurl, link with -lcurl" upon syserr stop run returning 1 end-call > initialize handle call "curl_easy_init" returning curl-handle :CALL-EXCEPTION: end-call if curl-handle equal NULL then display "no curl handle" upon syserr stop run returning 1 end-if > Set the URL call "curl_easy_setopt" using by value curl-handle by value CURLOPT_URL by reference concatenate(trim(url trailing), x"00") :CALL-EXCEPTION: end-call > follow all redirects call "curl_easy_setopt" using by value curl-handle by value CURLOPT_FOLLOWLOCATION by value 1 :CALL-EXCEPTION: end-call > set the call back to write to memory set callback-handle to address of entry "curl-write-callback" call "curl_easy_setopt" using by value curl-handle by value CURLOPT_WRITEFUNCTION by value callback-handle :CALL-EXCEPTION: end-call > set the curl handle data handling structure set memory-address to address of buffer move length(buffer) to memory-size move 1 to running-total call "curl_easy_setopt" using by value curl-handle by value CURLOPT_WRITEDATA by value address of memory-block :CALL-EXCEPTION: end-call > some servers demand an agent call "curl_easy_setopt" using by value curl-handle by value CURLOPT_USERAGENT by reference concatenate("libcurl-agent/1.0", x"00") :CALL-EXCEPTION: end-call > let curl do all the hard work call "curl_easy_perform" using by value curl-handle returning curl-result :CALL-EXCEPTION: end-call > the call back will handle filling ram, return the result code move curl-result to curl-status > curl clean up, more important if testing cookies call "curl_easy_cleanup" using by value curl-handle returning omitted :CALL-EXCEPTION: end-call goback. :EXCEPTION-HANDLERS: end function read-url. > ************************************************************** > ************************************************************** > Supporting libcurl callback identification division. program-id. curl-write-callback. environment division. configuration section. repository. function all intrinsic. data division. working-storage section. 01 real-size usage binary-long. > libcURL will pass a pointer to this structure in the callback 01 memory-block based. 05 memory-address usage pointer sync. 05 memory-size usage binary-long sync. 05 running-total usage binary-long sync. 01 content-buffer pic x(65536) based. 01 web-space pic x(16777216) based. 01 left-over usage binary-long. linkage section. 01 contents usage pointer. 01 element-size usage binary-long. 01 element-count usage binary-long. 01 memory-structure usage pointer. > ************************************************************** procedure division using by value contents by value element-size by value element-count by value memory-structure returning real-size. set address of memory-block to memory-structure compute real-size = element-size * element-count end-compute > Fence off the end of buffer compute left-over = memory-size - running-total end-compute if left-over > 0 and < real-size then move left-over to real-size end-if > if there is more buffer, and data not zero length if (left-over > 0) and (real-size > 1) then set address of content-buffer to contents set address of web-space to memory-address move content-buffer(1:real-size) to web-space(running-total:real-size) add real-size to running-total else display "curl buffer sizing problem" upon syserr end-if goback. end program curl-write-callback.</syntaxhighlight> and a copybook <syntaxhighlight lang="cobol"> > manifest constants for libcurl > Usage: COPY occurlsym inside data division > Taken from include/curl/curl.h 2013-12-19 > Functional enums 01 CURL_MAX_HTTP_HEADER CONSTANT AS 102400. 78 CURL_GLOBAL_ALL VALUE 3. 78 CURLOPT_FOLLOWLOCATION VALUE 52. 78 CURLOPT_WRITEDATA VALUE 10001. 78 CURLOPT_URL VALUE 10002. 78 CURLOPT_USERAGENT VALUE 10018. 78 CURLOPT_WRITEFUNCTION VALUE 20011. 78 CURLOPT_COOKIEFILE VALUE 10031. 78 CURLOPT_COOKIEJAR VALUE 10082. 78 CURLOPT_COOKIELIST VALUE 10135. > Informationals 78 CURLINFO_COOKIELIST VALUE 4194332. > Result codes 78 CURLE_OK VALUE 0. > Error codes 78 CURLE_UNSUPPORTED_PROTOCOL VALUE 1. 78 CURLE_FAILED_INIT VALUE 2. 78 CURLE_URL_MALFORMAT VALUE 3. 78 CURLE_OBSOLETE4 VALUE 4. 78 CURLE_COULDNT_RESOLVE_PROXY VALUE 5. 78 CURLE_COULDNT_RESOLVE_HOST VALUE 6. 78 CURLE_COULDNT_CONNECT VALUE 7. 78 CURLE_FTP_WEIRD_SERVER_REPLY VALUE 8. 78 CURLE_REMOTE_ACCESS_DENIED VALUE 9. 78 CURLE_OBSOLETE10 VALUE 10. 78 CURLE_FTP_WEIRD_PASS_REPLY VALUE 11. 78 CURLE_OBSOLETE12 VALUE 12. 78 CURLE_FTP_WEIRD_PASV_REPLY VALUE 13. 78 CURLE_FTP_WEIRD_227_FORMAT VALUE 14. 78 CURLE_FTP_CANT_GET_HOST VALUE 15. 78 CURLE_OBSOLETE16 VALUE 16. 78 CURLE_FTP_COULDNT_SET_TYPE VALUE 17. 78 CURLE_PARTIAL_FILE VALUE 18. 78 CURLE_FTP_COULDNT_RETR_FILE VALUE 19. 78 CURLE_OBSOLETE20 VALUE 20. 78 CURLE_QUOTE_ERROR VALUE 21. 78 CURLE_HTTP_RETURNED_ERROR VALUE 22. 78 CURLE_WRITE_ERROR VALUE 23. 78 CURLE_OBSOLETE24 VALUE 24. 78 CURLE_UPLOAD_FAILED VALUE 25. 78 CURLE_READ_ERROR VALUE 26. 78 CURLE_OUT_OF_MEMORY VALUE 27. 78 CURLE_OPERATION_TIMEDOUT VALUE 28. 78 CURLE_OBSOLETE29 VALUE 29. 78 CURLE_FTP_PORT_FAILED VALUE 30. 78 CURLE_FTP_COULDNT_USE_REST VALUE 31. 78 CURLE_OBSOLETE32 VALUE 32. 78 CURLE_RANGE_ERROR VALUE 33. 78 CURLE_HTTP_POST_ERROR VALUE 34. 78 CURLE_SSL_CONNECT_ERROR VALUE 35. 78 CURLE_BAD_DOWNLOAD_RESUME VALUE 36. 78 CURLE_FILE_COULDNT_READ_FILE VALUE 37. 78 CURLE_LDAP_CANNOT_BIND VALUE 38. 78 CURLE_LDAP_SEARCH_FAILED VALUE 39. 78 CURLE_OBSOLETE40 VALUE 40. 78 CURLE_FUNCTION_NOT_FOUND VALUE 41. 78 CURLE_ABORTED_BY_CALLBACK VALUE 42. 78 CURLE_BAD_FUNCTION_ARGUMENT VALUE 43. 78 CURLE_OBSOLETE44 VALUE 44. 78 CURLE_INTERFACE_FAILED VALUE 45. 78 CURLE_OBSOLETE46 VALUE 46. 78 CURLE_TOO_MANY_REDIRECTS VALUE 47. 78 CURLE_UNKNOWN_TELNET_OPTION VALUE 48. 78 CURLE_TELNET_OPTION_SYNTAX VALUE 49. 78 CURLE_OBSOLETE50 VALUE 50. 78 CURLE_PEER_FAILED_VERIFICATION VALUE 51. 78 CURLE_GOT_NOTHING VALUE 52. 78 CURLE_SSL_ENGINE_NOTFOUND VALUE 53. 78 CURLE_SSL_ENGINE_SETFAILED VALUE 54. 78 CURLE_SEND_ERROR VALUE 55. 78 CURLE_RECV_ERROR VALUE 56. 78 CURLE_OBSOLETE57 VALUE 57. 78 CURLE_SSL_CERTPROBLEM VALUE 58. 78 CURLE_SSL_CIPHER VALUE 59. 78 CURLE_SSL_CACERT VALUE 60. 78 CURLE_BAD_CONTENT_ENCODING VALUE 61. 78 CURLE_LDAP_INVALID_URL VALUE 62. 78 CURLE_FILESIZE_EXCEEDED VALUE 63. 78 CURLE_USE_SSL_FAILED VALUE 64. 78 CURLE_SEND_FAIL_REWIND VALUE 65. 78 CURLE_SSL_ENGINE_INITFAILED VALUE 66. 78 CURLE_LOGIN_DENIED VALUE 67. 78 CURLE_TFTP_NOTFOUND VALUE 68. 78 CURLE_TFTP_PERM VALUE 69. 78 CURLE_REMOTE_DISK_FULL VALUE 70. 78 CURLE_TFTP_ILLEGAL VALUE 71. 78 CURLE_TFTP_UNKNOWNID VALUE 72. 78 CURLE_REMOTE_FILE_EXISTS VALUE 73. 78 CURLE_TFTP_NOSUCHUSER VALUE 74. 78 CURLE_CONV_FAILED VALUE 75. 78 CURLE_CONV_REQD VALUE 76. 78 CURLE_SSL_CACERT_BADFILE VALUE 77. 78 CURLE_REMOTE_FILE_NOT_FOUND VALUE 78. 78 CURLE_SSH VALUE 79. 78 CURLE_SSL_SHUTDOWN_FAILED VALUE 80. 78 CURLE_AGAIN VALUE 81. > Error strings 01 LIBCURL_ERRORS. 02 CURLEVALUES. 03 FILLER PIC X(30) VALUE "CURLE_UNSUPPORTED_PROTOCOL ". 03 FILLER PIC X(30) VALUE "CURLE_FAILED_INIT ". 03 FILLER PIC X(30) VALUE "CURLE_URL_MALFORMAT ". 03 FILLER PIC X(30) VALUE "CURLE_OBSOLETE4 ". 03 FILLER PIC X(30) VALUE "CURLE_COULDNT_RESOLVE_PROXY ". 03 FILLER PIC X(30) VALUE "CURLE_COULDNT_RESOLVE_HOST ". 03 FILLER PIC X(30) VALUE "CURLE_COULDNT_CONNECT ". 03 FILLER PIC X(30) VALUE "CURLE_FTP_WEIRD_SERVER_REPLY ". 03 FILLER PIC X(30) VALUE "CURLE_REMOTE_ACCESS_DENIED ". 03 FILLER PIC X(30) VALUE "CURLE_OBSOLETE10 ". 03 FILLER PIC X(30) VALUE "CURLE_FTP_WEIRD_PASS_REPLY ". 03 FILLER PIC X(30) VALUE "CURLE_OBSOLETE12 ". 03 FILLER PIC X(30) VALUE "CURLE_FTP_WEIRD_PASV_REPLY ". 03 FILLER PIC X(30) VALUE "CURLE_FTP_WEIRD_227_FORMAT ". 03 FILLER PIC X(30) VALUE "CURLE_FTP_CANT_GET_HOST ". 03 FILLER PIC X(30) VALUE "CURLE_OBSOLETE16 ". 03 FILLER PIC X(30) VALUE "CURLE_FTP_COULDNT_SET_TYPE ". 03 FILLER PIC X(30) VALUE "CURLE_PARTIAL_FILE ". 03 FILLER PIC X(30) VALUE "CURLE_FTP_COULDNT_RETR_FILE ". 03 FILLER PIC X(30) VALUE "CURLE_OBSOLETE20 ". 03 FILLER PIC X(30) VALUE "CURLE_QUOTE_ERROR ". 03 FILLER PIC X(30) VALUE "CURLE_HTTP_RETURNED_ERROR ". 03 FILLER PIC X(30) VALUE "CURLE_WRITE_ERROR ". 03 FILLER PIC X(30) VALUE "CURLE_OBSOLETE24 ". 03 FILLER PIC X(30) VALUE "CURLE_UPLOAD_FAILED ". 03 FILLER PIC X(30) VALUE "CURLE_READ_ERROR ". 03 FILLER PIC X(30) VALUE "CURLE_OUT_OF_MEMORY ". 03 FILLER PIC X(30) VALUE "CURLE_OPERATION_TIMEDOUT ". 03 FILLER PIC X(30) VALUE "CURLE_OBSOLETE29 ". 03 FILLER PIC X(30) VALUE "CURLE_FTP_PORT_FAILED ". 03 FILLER PIC X(30) VALUE "CURLE_FTP_COULDNT_USE_REST ". 03 FILLER PIC X(30) VALUE "CURLE_OBSOLETE32 ". 03 FILLER PIC X(30) VALUE "CURLE_RANGE_ERROR ". 03 FILLER PIC X(30) VALUE "CURLE_HTTP_POST_ERROR ". 03 FILLER PIC X(30) VALUE "CURLE_SSL_CONNECT_ERROR ". 03 FILLER PIC X(30) VALUE "CURLE_BAD_DOWNLOAD_RESUME ". 03 FILLER PIC X(30) VALUE "CURLE_FILE_COULDNT_READ_FILE ". 03 FILLER PIC X(30) VALUE "CURLE_LDAP_CANNOT_BIND ". 03 FILLER PIC X(30) VALUE "CURLE_LDAP_SEARCH_FAILED ". 03 FILLER PIC X(30) VALUE "CURLE_OBSOLETE40 ". 03 FILLER PIC X(30) VALUE "CURLE_FUNCTION_NOT_FOUND ". 03 FILLER PIC X(30) VALUE "CURLE_ABORTED_BY_CALLBACK ". 03 FILLER PIC X(30) VALUE "CURLE_BAD_FUNCTION_ARGUMENT ". 03 FILLER PIC X(30) VALUE "CURLE_OBSOLETE44 ". 03 FILLER PIC X(30) VALUE "CURLE_INTERFACE_FAILED ". 03 FILLER PIC X(30) VALUE "CURLE_OBSOLETE46 ". 03 FILLER PIC X(30) VALUE "CURLE_TOO_MANY_REDIRECTS ". 03 FILLER PIC X(30) VALUE "CURLE_UNKNOWN_TELNET_OPTION ". 03 FILLER PIC X(30) VALUE "CURLE_TELNET_OPTION_SYNTAX ". 03 FILLER PIC X(30) VALUE "CURLE_OBSOLETE50 ". 03 FILLER PIC X(30) VALUE "CURLE_PEER_FAILED_VERIFICATION". 03 FILLER PIC X(30) VALUE "CURLE_GOT_NOTHING ". 03 FILLER PIC X(30) VALUE "CURLE_SSL_ENGINE_NOTFOUND ". 03 FILLER PIC X(30) VALUE "CURLE_SSL_ENGINE_SETFAILED ". 03 FILLER PIC X(30) VALUE "CURLE_SEND_ERROR ". 03 FILLER PIC X(30) VALUE "CURLE_RECV_ERROR ". 03 FILLER PIC X(30) VALUE "CURLE_OBSOLETE57 ". 03 FILLER PIC X(30) VALUE "CURLE_SSL_CERTPROBLEM ". 03 FILLER PIC X(30) VALUE "CURLE_SSL_CIPHER ". 03 FILLER PIC X(30) VALUE "CURLE_SSL_CACERT ". 03 FILLER PIC X(30) VALUE "CURLE_BAD_CONTENT_ENCODING ". 03 FILLER PIC X(30) VALUE "CURLE_LDAP_INVALID_URL ". 03 FILLER PIC X(30) VALUE "CURLE_FILESIZE_EXCEEDED ". 03 FILLER PIC X(30) VALUE "CURLE_USE_SSL_FAILED ". 03 FILLER PIC X(30) VALUE "CURLE_SEND_FAIL_REWIND ". 03 FILLER PIC X(30) VALUE "CURLE_SSL_ENGINE_INITFAILED ". 03 FILLER PIC X(30) VALUE "CURLE_LOGIN_DENIED ". 03 FILLER PIC X(30) VALUE "CURLE_TFTP_NOTFOUND ". 03 FILLER PIC X(30) VALUE "CURLE_TFTP_PERM ". 03 FILLER PIC X(30) VALUE "CURLE_REMOTE_DISK_FULL ". 03 FILLER PIC X(30) VALUE "CURLE_TFTP_ILLEGAL ". 03 FILLER PIC X(30) VALUE "CURLE_TFTP_UNKNOWNID ". 03 FILLER PIC X(30) VALUE "CURLE_REMOTE_FILE_EXISTS ". 03 FILLER PIC X(30) VALUE "CURLE_TFTP_NOSUCHUSER ". 03 FILLER PIC X(30) VALUE "CURLE_CONV_FAILED ". 03 FILLER PIC X(30) VALUE "CURLE_CONV_REQD ". 03 FILLER PIC X(30) VALUE "CURLE_SSL_CACERT_BADFILE ". 03 FILLER PIC X(30) VALUE "CURLE_REMOTE_FILE_NOT_FOUND ". 03 FILLER PIC X(30) VALUE "CURLE_SSH ". 03 FILLER PIC X(30) VALUE "CURLE_SSL_SHUTDOWN_FAILED ". 03 FILLER PIC X(30) VALUE "CURLE_AGAIN ". 01 FILLER REDEFINES LIBCURL_ERRORS. 02 CURLEMSG OCCURS 81 TIMES PIC X(30).</syntaxhighlight> {{out}} <pre>prompt$ ./curl-rosetta summary Read: http://www.rosettacode.org Length: 000024043 prompt$ ./curl-rosetta display Read: http://www.rosettacode.org <!DOCTYPE html> <html lang="en" dir="ltr" class="client-nojs"> <head> ...</pre> =={{header\|ColdFusion}}== <syntaxhighlight lang="coldfusion"> <cfhttp url="http://www.rosettacode.org" result="result"> <cfoutput>#result.FileContent#</cfoutput> </syntaxhighlight> =={{header\|Common Lisp}}== CLISP provides an extension function to read http sources. Other implementations may do this differently. {{works with\|CLISP}} <syntaxhighlight lang="lisp"> (defun wget-clisp (url) (ext:with-http-input (stream url) (loop for line = (read-line stream nil nil) while line do (format t "~a~%" line)))) </syntaxhighlight> {{libheader\|DRAKMA}} First grabbing the entire body as a string, and then by pulling from a stream (as in the CLISP example). <syntaxhighlight lang="lisp"> (defun wget-drakma-string (url &optional (out standard-output)) "Grab the body as a string, and write it to out." (write-string (drakma:http-request url) out)) (defun wget-drakma-stream (url &optional (out standard-output)) "Grab the body as a stream, and write it to out." (loop with body = (drakma:http-request url :want-stream t) for line = (read-line body nil nil) while line do (write-line line out) finally (close body))) </syntaxhighlight> {{libheader\|Dexador}} <syntaxhighlight lang="lisp"> (format t "~a~%" (nth-value 0 (dex:get "http://www.w3.org/"))) </syntaxhighlight> =={{header\|Crystal}}== <syntaxhighlight lang="crystal"> require "http/client" HTTP::Client.get("http://google.com") </syntaxhighlight> =={{header\|D}}== {{libheader\|phobos}} <syntaxhighlight lang="d"> void main() { import std.stdio, std.net.curl; writeln(get("http://google.com")); } </syntaxhighlight> {{libheader\|tango}} <syntaxhighlight lang="d"> import tango.io.Console; import tango.net.http.HttpGet; void main() { Cout.stream.copy( (new HttpGet("http://google.com")).open ); } </syntaxhighlight> Or more operating directly on the socket: <syntaxhighlight lang="d"> import tango.io.Console; import tango.net.InternetAddress; import tango.net.device.Socket; void main() { auto site = new Socket; site.connect (new InternetAddress("google.com",80)).write ("GET / HTTP/1.0\n\n"); Cout.stream.copy (site); } </syntaxhighlight> =={{header\|Dart}}== Using the stand-alone VM: <syntaxhighlight lang="d">import 'dart:io'; void main(){ var url = 'http://rosettacode.org'; var client = new HttpClient(); client.getUrl(Uri.parse(url)) .then((HttpClientRequest request) => request.close()) .then((HttpClientResponse response) => response.pipe(stdout)); }</syntaxhighlight> =={{header\|Delphi}}== Simple example using the free Synapse TCP/IP library [http://www.ararat.cz/synapse/doku.php/download] <syntaxhighlight lang="delphi"> program HTTP; {$APPTYPE CONSOLE} {$DEFINE DEBUG} uses Classes, httpsend; // Synapse httpsend class var Response: TStrings; HTTPObj: THTTPSend; begin HTTPObj := THTTPSend.Create; try { Stringlist object to capture HTML returned from URL } Response := TStringList.Create; try if HTTPObj.HTTPMethod('GET','http://www.mgis.uk.com') then begin { Load HTTP Document into Stringlist } Response.LoadFromStream(HTTPObj.Document); { Write the response to the console window } Writeln(Response.Text); end else Writeln('Error retrieving data'); finally Response.Free; end; finally HTTPObj.Free; end; // Keep console window open Readln; end. </syntaxhighlight> Using Indy: <syntaxhighlight lang="delphi"> program ShowHTTP; {$APPTYPE CONSOLE} uses IdHttp; var s: string; lHTTP: TIdHTTP; begin lHTTP := TIdHTTP.Create(nil); try lHTTP.HandleRedirects := True; s := lHTTP.Get('http://www.rosettacode.org'); Writeln(s); finally lHTTP.Free; end; end. </syntaxhighlight> =={{header\|Dragon}}== <syntaxhighlight lang="dragon">select "http" select "std" http("http://www.rosettacode.org", ::echo) </syntaxhighlight> =={{header\|E}}== <syntaxhighlight lang="e"> when (def t := <http://www.rosettacode.org> <- getText()) -> { println(t) } </syntaxhighlight> =={{header\|EchoLisp}}== '''file->string''' usage: the server must allow cross-domain access, or a browser add-on like cors-everywhere must be installed to bypass cross-domain checking. <syntaxhighlight lang="scheme"> ;; asynchronous call back definition (define (success name text) (writeln 'Loaded name) (writeln text)) ;; (file->string success "http://www.google.com") </syntaxhighlight> =={{header\|Emacs Lisp}}== {{libheader\|url.el}} <code>url-retrieve-synchronously</code> returns a buffer containing headers and body. Caller must kill the buffer when no longer needed. <syntaxhighlight lang="lisp">(let ((buffer (url-retrieve-synchronously "http://www.rosettacode.org"))) (unwind-protect (with-current-buffer buffer (message "%s" (buffer-substring url-http-end-of-headers (point-max)))) (kill-buffer buffer)))</syntaxhighlight> Asynchronously (buffer doesn't need to be killed by caller): <syntaxhighlight lang="lisp">(url-retrieve "http://www.rosettacode.org" (lambda (_status) (message "%s" (buffer-substring url-http-end-of-headers (point-max)))))</syntaxhighlight> =={{header\|Erlang}}== ===Synchronous=== <syntaxhighlight lang="erlang"> -module(main). -export([main/1]). main([Url\|[]]) -> inets:start(), case http:request(Url) of {ok, {_V, _H, Body}} -> io:fwrite("~p~n",[Body]); {error, Res} -> io:fwrite("~p~n", [Res]) end. </syntaxhighlight> ===Asynchronous=== <syntaxhighlight lang="erlang"> -module(main). -export([main/1]). main([Url\|[]]) -> inets:start(), http:request(get, {Url, [] }, [], [{sync, false}]), receive {http, {_ReqId, Res}} -> io:fwrite("~p~n",[Res]); _Any -> io:fwrite("Error: ~p~n",[_Any]) after 10000 -> io:fwrite("Timed out.~n",[]) end. </syntaxhighlight> Using it <syntaxhighlight lang="erlang"> \|escript ./req.erl http://www.rosettacode.org </syntaxhighlight> =={{header\|F_Sharp\|F#}}== In F# we can just use the .NET library to do this so its the same as the [[C_sharp\|C#]] example. <syntaxhighlight lang="fsharp"> let wget (url : string) = use c = new System.Net.WebClient() c.DownloadString(url) printfn "%s" (wget "http://www.rosettacode.org/") </syntaxhighlight> However unlike C#, F# can use an asynchronous workflow to avoid blocking any threads while waiting for a response from the server. To asynchronously download three url's at once... <syntaxhighlight lang="fsharp"> open System.Net open System.IO let wgetAsync url = async { let request = WebRequest.Create (url:string) use! response = request.AsyncGetResponse() use responseStream = response.GetResponseStream() use reader = new StreamReader(responseStream) return reader.ReadToEnd() } let urls = ["http://www.rosettacode.org/"; "http://www.yahoo.com/"; "http://www.google.com/"] let content = urls \|> List.map wgetAsync \|> Async.Parallel \|> Async.RunSynchronously</syntaxhighlight> =={{header\|Factor}}== <syntaxhighlight lang="factor">USE: http.client "http://www.rosettacode.org" http-get nip print </syntaxhighlight> =={{header\|Forth}}== {{works with\|GNU Forth\|0.7.0}} This works at the socket level, returning both the HTTP headers and page contents. <syntaxhighlight lang="forth"> include unix/socket.fs s" localhost" 80 open-socket dup s\" GET / HTTP/1.0\n\n" rot write-socket dup pad 8092 read-socket type close-socket </syntaxhighlight> =={{header\|FreeBASIC}}== <syntaxhighlight lang="freebasic">Dim As String urlfile urlfile="start http://rosettacode.org/wiki/Main_Page" Print urlfile Shell(urlfile) Print !"\n--- pulsa RETURN para continuar ---" Sleep</syntaxhighlight> =={{header\|friendly interactive shell}}== {{trans\|UNIX Shell}} <syntaxhighlight lang="fishshell">curl -s -L http://rosettacode.org/</syntaxhighlight> <syntaxhighlight lang="fishshell">lynx -source http://rosettacode.org/</syntaxhighlight> <syntaxhighlight lang="fishshell">wget -O - -q http://rosettacode.org/</syntaxhighlight> <syntaxhighlight lang="fishshell">lftp -c "cat http://rosettacode.org/"</syntaxhighlight> {{works with\|BSD}} <syntaxhighlight lang="fishshell">ftp -o - http://rosettacode.org ^ /dev/null</syntaxhighlight> =={{header\|Frink}}== Frink's <CODE>read[<I>URL</I>]</CODE> function works with any URL type supported by your Java Virtual Machine, and returns the results as a single string. <syntaxhighlight lang="frink"> print[read["http://frinklang.org/"]] </syntaxhighlight> =={{header\|FutureBasic}}== <syntaxhighlight lang="futurebasic"> include "NSLog.incl" #plist NSAppTransportSecurity @{NSAllowsArbitraryLoads:YES} local fn URLSessionHandler( session as URLSessionRef, dta as CFDataRef, response as URLResponseRef, err as ErrorRef, userData as ptr ) if ( fn HTTPURLResponseStatusCode( (HTTPURLResponseRef)response ) == 200 ) NSLog( @"%@", fn StringWithData( dta, NSUTF8StringEncoding ) ) else NSLog( @"%@", fn ErrorLocalizedDescription( err ) ) end if NSLogScrollToTop end fn local fn URLSessionWithGetRequest( path as CFStringRef ) CFURLRef url = fn URLWithString( path ) MutableURLRequestRef urlRequest = fn MutableURLRequestWithURL( url ) MutableURLRequestSetHTTPMethod( urlRequest, @"HTTP" ) URLSessionRef session = fn URLSessionSharedSession URLSessionDataTaskRef task = fn URLSessionDataTaskWithRequestCompletionHandler( session, urlRequest, @fn URLSessionHandler, NULL ) URLSessionTaskResume( task ) end fn fn URLSessionWithGetRequest( @"http://rosettacode.org" ) HandleEvents </syntaxhighlight> =={{header\|Gastona}}== <syntaxhighlight lang="gastona">#listix# <main> LOOP, TEXT FILE, http://www.rosettacode.org , BODY, @<value> </syntaxhighlight> =={{header\|GML}}== {{works with\|Game Maker Studio}} '''Any Event''' <syntaxhighlight lang="gml">get = http_get("http://www.rosettacode.org/");</syntaxhighlight> '''HTTP Event''' <syntaxhighlight lang="gml">if (ds_map_find_value(async_load,"id") == get) { show_message_async(ds_map_find_value(async_load,"result")); }</syntaxhighlight> =={{header\|Go}}== <syntaxhighlight lang="go"> package main import ( "io" "log" "net/http" "os" ) func main() { r, err := http.Get("http://rosettacode.org/robots.txt") if err != nil { log.Fatalln(err) } io.Copy(os.Stdout, r.Body) } </syntaxhighlight> Output: <pre> User-agent: * Allow: /mw/images/ Allow: /mw/skins/ Allow: /mw/title.png Disallow: /w/ Disallow: /mw/ Disallow: /wiki/Special: </pre> =={{header\|Groovy}}== <syntaxhighlight lang="groovy"> new URL("http://www.rosettacode.org").eachLine { println it } </syntaxhighlight> =={{header\|GUISS}}== It would be more appropriate to paste to notepad: <syntaxhighlight lang="guiss">Start,Programs,Applications,Mozilla Firefox,Inputbox:address bar>www.rosettacode.org,Button:Go, Click:Area:browser window,Type:[Control A],[Control C],Start,Programs,Accessories,Notepad, Menu:Edit,Paste</syntaxhighlight> =={{header\|Halon}}== <syntaxhighlight lang="halon">echo http("http://www.rosettacode.org");</syntaxhighlight> =={{header\|Haskell}}== Using {{libheader\|HTTP}} from [http://hackage.haskell.org/packages/hackage.html HackageDB] <syntaxhighlight lang="haskell"> import Network.Browser import Network.HTTP import Network.URI main = do rsp <- Network.Browser.browse $ do setAllowRedirects True setOutHandler $ const (return ()) request $ getRequest "http://www.rosettacode.org/" putStrLn $ rspBody $ snd rsp </syntaxhighlight> == Icon and Unicon == ==={{header\|Icon}}=== <syntaxhighlight lang="icon"> link cfunc procedure main(arglist) get(arglist[1]) end procedure get(url) local f, host, port, path url ? { ="http://" \| ="HTTP://" host := tab(upto(':/') \| 0) if not (=":" & (port := integer(tab(upto('/'))))) then port := 80 if pos(0) then path := "/" else path := tab(0) } write(host) write(path) f := tconnect(host, port) \| stop("Unable to connect") writes(f, "GET ", path \| "/" ," HTTP/1.0\r\n\r\n") while write(read(f)) end </syntaxhighlight> Using it <syntaxhighlight lang="icon"> \|icon req.icn http://www.rosettacode.org </syntaxhighlight> ==={{header\|Unicon}}=== Unicon provides improved socket and messaging support without the need for the external function ''cfunc'': <syntaxhighlight lang="unicon"> procedure main(arglist) m := open(arglist[1],"m") while write(read(m)) end </syntaxhighlight> =={{header\|J}}== Using <tt>gethttp</tt> from [[Web Scraping#J\|Web Scraping]] <syntaxhighlight lang="j">require'web/gethttp' gethttp 'http://www.rosettacode.org' </syntaxhighlight> =={{header\|Java}}== The ''URL'' class offers an ''openStream'' method which will make a connection and return an ''InputStream''. <syntaxhighlight lang="java"> import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.net.URI; import java.net.URISyntaxException; import java.net.URL; </syntaxhighlight> <syntaxhighlight lang="java"> void printContent(String address) throws URISyntaxException, IOException { URL url = new URI(address).toURL(); try (BufferedReader reader = new BufferedReader(new InputStreamReader(url.openStream()))) { String line; while ((line = reader.readLine()) != null) System.out.println(line); } } </syntaxhighlight> <br /> Using the standard [http://openjdk.java.net/groups/net/httpclient/ Java 11 HTTP Client] <syntaxhighlight lang="java">import java.net.URI; import java.net.http.HttpClient; import java.net.http.HttpRequest; import java.net.http.HttpResponse; import java.nio.charset.Charset; public class Main { public static void main(String[] args) { var request = HttpRequest.newBuilder(URI.create("https://www.rosettacode.org")) .GET() .build(); HttpClient.newHttpClient() .sendAsync(request, HttpResponse.BodyHandlers.ofString(Charset.defaultCharset())) .thenApply(HttpResponse::body) .thenAccept(System.out::println) .join(); } }</syntaxhighlight> {{libheader\|Apache Commons IO}} <syntaxhighlight lang="java5"> import org.apache.commons.io.IOUtils; import java.net.URL; public class Main { public static void main(String[] args) throws Exception { IOUtils.copy(new URL("http://rosettacode.org").openStream(),System.out); } }</syntaxhighlight> =={{header\|JavaScript}}== ===Browser=== Using fetch API and async/await: <syntaxhighlight lang="javascript"> const response = await fetch('http://rosettacode.org'); const text = await response.text(); console.log(text); </syntaxhighlight> Using fetch API: <syntaxhighlight lang="javascript"> fetch('http://rosettacode.org').then(function (response) { return response.text(); }).then(function (text) { console.log(text); }); </syntaxhighlight> <syntaxhighlight lang="javascript">var req = new XMLHttpRequest(); req.onload = function() { console.log(this.responseText); }; req.open('get', 'http://rosettacode.org', true); req.send()</syntaxhighlight> As a repeatable function: <syntaxhighlight lang="javascript">/** * @name _http * @description Generic API Client using XMLHttpRequest * @param {string} url The URI/URL to connect to * @param {string} method The HTTP method to invoke- GET, POST, etc * @param {function} callback Once the HTTP request has completed, responseText is passed into this function for execution * @param {object} params Query Parameters in a JavaScript Object (Optional) * / function _http(url, method, callback, params) { var xhr, reqUrl; xhr = new XMLHttpRequest(); xhr.onreadystatechange = function xhrProc() { if (xhr.readyState == 4 && xhr.status == 200) { callback(xhr.responseText); } }; /* If Query Parameters are present, handle them... / if (typeof params === 'undefined') { reqUrl = url; } else { switch (method) { case 'GET': reqUrl = url + procQueryParams(params); break; case 'POST': reqUrl = url; break; default: } } /* Send the HTTP Request / if (reqUrl) { xhr.open(method, reqUrl, true); xhr.setRequestHeader("Accept", "application/json"); if (method === 'POST') { xhr.send(params); } else { xhr.send(); } } /* * @name procQueryParams * @description Return function that converts Query Parameters from a JavaScript Object to a proper URL encoded string * @param {object} params Query Parameters in a JavaScript Object * / function procQueryParams(params) { return "?" + Object .keys(params) .map(function (key) { return key + "=" + encodeURIComponent(params[key]) }) .join("&") } }</syntaxhighlight> Using jQuery: <syntaxhighlight lang="javascript">$.get('http://rosettacode.org', function(data) { console.log(data); };</syntaxhighlight> ===Node.js=== With Node.js, using only the included http module. <syntaxhighlight lang="javascript">const http = require('http'); http.get('http://rosettacode.org', (resp) => { let data = ''; // A chunk of data has been recieved. resp.on('data', (chunk) => { data += chunk; }); // The whole response has been received. Print out the result. resp.on('end', () => { console.log("Data:", data); }); }).on("error", (err) => { console.log("Error: " + err.message); });</syntaxhighlight> =={{header\|Jsish}}== Based on Jsi_Wget that ships with Jsish. <syntaxhighlight lang="javascript">#!/usr/bin/env jsish function httpGet(fileargs:array\|string, conf:object=void) { var options = { // Web client for downloading files from url headers : [], // Header fields to send. nowait : false, // Just return object: caller will call update. onDone : null, // Callback when done. wsdebug : 0 // WebSockets debug level. }; var self = { address : '', done : false, path : '', port : -1, post : '', // Post file upload (UNIMPL). scheme : 'http', // Url scheme protocol : 'get', url : null, response : '' }; parseOpts(self, options, conf); if (self.port === -1) self.port = 80; function WsRecv(ws:userobj, id:number, str:string) { LogDebug("LEN: "+str.length); LogTrace("DATA", str); self.response += str; } function WsClose(ws:userobj\|null, id:number) { LogDebug("CLOSE"); self.done = true; if (self.onDone) self.onDone(id); } function main() { if (self.Debug) debugger; if (typeof(fileargs) === 'string') fileargs = [fileargs]; if (!fileargs \|\| fileargs.length !== 1) throw("expected a url arg"); self.url = fileargs[0]; var m = self.url.match(/^([a-zA-Z]+):\/\/([^\/]+)(.)$/); if (!m) throw('invalid url: '+self.url); self.scheme = m[1]; self.address = m[2]; self.path = m[3]; var as = self.address.split(':'); if (as.length==2) { self.port = parseInt(as[1]); self.address = as[0]; } else if (as.length != 1) throw('bad port in address: '+self.address); if (self.path=='') self.path = '/index.html'; if (self.post.length) self.protocol = 'post'; var wsopts = { client:true, onRecv:WsRecv, onClose:WsClose, debug:self.wsdebug, rootdir:self.path, port:self.port, address:self.address, protocol:self.protocol, clientHost:self.address }; if (self.post.length) wsopts.post = self.post; if (self.headers.length) wsopts.headers = self.headers; if (self.scheme === 'https') { if (!Interp.conf('hasOpenSSL')) puts('SSL is not compiled in: falling back to http:'); else { if (self.port === 80) wsopts.port = 441; wsopts.use_ssl = true; } } LogDebug("Starting:", conf, wsopts); self.ws = new WebSocket( wsopts ); if (self.nowait) return self; while (!self.done) { update(200); LogTrace("UPDATE"); } delete self.ws; return self.response; } return main(); } provide(httpGet, "0.60"); if (isMain()) runModule(httpGet);</syntaxhighlight> {{out}} <pre>prompt$ jsish # require('httpGet') 0.6 # var page = httpGet('http://rosettacode.org/robots.txt') variable # page "User-agent: Allow: /mw/images/ Allow: /mw/skins/ Allow: /mw/title.png Allow: /mw/resources/ Disallow: /w/ Disallow: /mw/ Disallow: /wiki/Special: "</pre> =={{header\|Julia}}== <syntaxhighlight lang="julia">readurl(url) = open(readlines, download(url)) readurl("http://rosettacode.org/index.html")</syntaxhighlight> =={{header\|Kotlin}}== <syntaxhighlight lang="scala">// version 1.1.2 import java.net.URL import java.io.InputStreamReader import java.util.Scanner fun main(args: Array<String>) { val url = URL("http://www.puzzlers.org/pub/wordlists/unixdict.txt") val isr = InputStreamReader(url.openStream()) val sc = Scanner(isr) while (sc.hasNextLine()) println(sc.nextLine()) sc.close() }</syntaxhighlight> =={{header\|Lasso}}== incude_url is a wrapper for Lasso's curl datatype, however it can be achieved in several ways. <syntaxhighlight lang="lasso">// using include_url wrapper: include_url('http://rosettacode.org/index.html') // one line curl curl('http://rosettacode.org/index')->result->asString // using curl for more complex operations and feedback local(x = curl('http://rosettacode.org/index')) local(y = #x->result) #y->asString</syntaxhighlight> =={{header\|LFE}}== ===Synchronous=== <syntaxhighlight lang="lisp">(: inets start) (case (: httpc request '"http://lfe.github.io") ((tuple 'ok result) (: io format '"Result: ~p" (list result))) ((tuple 'error reason) (: io format '"Error: ~p~n" (list reason)))) </syntaxhighlight> ===Asynchronous=== <syntaxhighlight lang="lisp">(: inets start) (let* ((method 'get) (url '"http://lfe.github.io") (headers ()) (request-data (tuple url headers)) (http-options ()) (request-options (list (tuple 'sync 'false)))) (: httpc request method request-data http-options request-options) (receive ((tuple 'http (tuple request-id (tuple 'error reason))) (: io format '"Error: ~p~n" (list reason))) ((tuple 'http (tuple request-id result)) (: io format '"Result: ~p~n" (list result)))))) </syntaxhighlight> =={{header\|Liberty BASIC}}== Uses a dll call and a timer to allow time to receive the file. <syntaxhighlight lang="lb"> result = DownloadToFile( "http://rosettacode.org/wiki/Main_Page", "in.html") timer 2000, [on] wait [on] timer 0 if result <> 0 then print "Error downloading." end Function DownloadToFile( urlfile$, localfile$) open "URLmon" for dll as #url calldll #url, "URLDownloadToFileA",_ 0 as long,_ 'null urlfile$ as ptr,_ 'url to download localfile$ as ptr,_ 'save file name 0 as long,_ 'reserved, must be 0 0 as long,_ 'callback address, can be 0 DownloadToFile as ulong '0=success close #url end function </syntaxhighlight> =={{header\|Lingo}}== HTTP requests based on Director's native HTTP facilities - i.e. without using a 3rd party plugin ("Xtra") - are asynchronous. A simple implementation of a HTTP GET request might look like this: Parent script "SimpleHttpGet": <syntaxhighlight lang="lingo">property _netID property _cbHandler property _cbTarget ---------------------------------------- -- Simple HTTP GET request -- @param {string} url -- @param {symbol} cbHandler -- @param {object} [cbTarget=_movie] ---------------------------------------- on new (me, url, cbHandler, cbTarget) if voidP(cbTarget) then cbTarget = _movie me._netID = getNetText(url) me._cbHandler = cbHandler me._cbTarget = cbTarget _movie.actorList.add(me) return me end ---------------------------------------- -- @callback ---------------------------------------- on stepFrame (me) if netDone(me._netID) then res = netTextResult(me._netID) err = netError(me._netID) _movie.actorList.deleteOne(me) call(me._cbHandler, me._cbTarget, res, err) end if end</syntaxhighlight> In some movie script: <syntaxhighlight lang="lingo">---------------------------------------- -- ---------------------------------------- on getAdobeHomePage () script("SimpleHttpGet").new("http://www.adobe.com/", #printResult) end ---------------------------------------- -- @callback ---------------------------------------- on printResult (res, err) if err="OK" then put res else put "Network Error:" && err end if end</syntaxhighlight> Executed in the "Message Window" (=Director's interactive Lingo console): <syntaxhighlight lang="lingo">getAdobeHomePage() -- "<!doctype html> ...</syntaxhighlight> =={{header\|LiveCode}}== Without a callback handler the get URL method will block until complete <syntaxhighlight lang="livecode">put true into libURLFollowHttpRedirects get URL "http://httpbin.org/html" put it</syntaxhighlight> Non-blocking version <syntaxhighlight lang="livecode">on myUrlDownloadFinished answer "Download Complete" with "Okay" end myUrlDownloadFinished command getWebResource load URL "http://httpbin.org/html" with message "myUrlDownloadFinished" end getWebResource</syntaxhighlight> =={{header\|LSL}}== To test it yourself; rez a box on the ground, and add the following as a New Script. <syntaxhighlight lang="lsl">string sURL = "http://www.RosettaCode.Org"; key kHttpRequestId; default { state_entry() { kHttpRequestId = llHTTPRequest(sURL, [], ""); } http_response(key kRequestId, integer iStatus, list lMetaData, string sBody) { if(kRequestId==kHttpRequestId) { llOwnerSay("Status="+(string)iStatus); integer x = 0; for(x=0 ; x<llGetListLength(lMetaData) ; x++) { llOwnerSay("llList2String(lMetaData, "+(string)x+")="+llList2String(lMetaData, x)); } list lBody = llParseString2List(sBody, ["\n"], []); for(x=0 ; x<llGetListLength(lBody) ; x++) { llOwnerSay("llList2String(lBody, "+(string)x+")="+llList2String(lBody, x)); } } } } </syntaxhighlight> Output: <pre>Status=200 llList2String(lMetaData, 0)=0 llList2String(lMetaData, 1)=2048 llList2String(lBody, 0)=<!DOCTYPE html> llList2String(lBody, 1)=<html lang="en" dir="ltr" class="client-nojs"> llList2String(lBody, 2)=<head> llList2String(lBody, 3)=<title>Rosetta Code</title> llList2String(lBody, 4)=<meta charset="UTF-8" /> llList2String(lBody, 5)=<meta name="generator" content="MediaWiki 1.18.0" /> llList2String(lBody, 6)=<link rel="shortcut icon" href="/favicon.ico" /> llList2String(lBody, 7)=<link rel="search" type="application/opensearchdescription+xml" href="/mw/opensearch_desc.php" title="Rosetta Code (en)" /> llList2String(lBody, 8)=<link rel="EditURI" type="application/rsd+xml" href="http://rosettacode.org/mw/api.php?action=rsd" /> llList2String(lBody, 9)=<link rel="copyright" href="http://www.gnu.org/licenses/fdl-1.2.html" /> llList2String(lBody, 10)=<link rel="alternate" type="application/atom+xml" title="Rosetta Code Atom feed" href="/mw/index.php?title=Special:RecentChanges&feed=atom" /> llList2String(lBody, 11)=<link rel="stylesheet" href="/mw/load.php?debug=false&lang=en&modules=mediawiki.legacy.commonPrint%2Cshared%7Cskins.vector&only=styles&skin=vector&" /> llList2String(lBody, 12)=<meta name="ResourceLoaderDynamicStyles" content="" /> llList2String(lBody, 13)=<link rel="stylesheet" href="/mw/load.php?debug=false&lang=en&modules=site&only=styles&skin=vector&" /> llList2String(lBody, 14)=<style>a:lang(ar),a:lang(ckb),a:lang(fa),a:lang(kk-arab),a:lang(mzn),a:lang(ps),a:lang(ur){text-decoration:none}a.new,#quickbar a.new{color:#ba0000} ... ... ... ... ... ... ... ... ... ... ... ... ... ... </pre> =={{header\|Lua}}== {{libheader\|LuaSocket}} <syntaxhighlight lang="lua"> local http = require("socket.http") local url = require("socket.url") local page = http.request('http://www.google.com/m/search?q=' .. url.escape("lua")) print(page) </syntaxhighlight> =={{header\|M2000 Interpreter}}== We use Async read from Microsoft.XMLHTTP So we use Threads (duration is in millisecond) M2000 can use COM objects, using Declare, Method and With statements. Using With statement we can make objects properties like ReadyState as variables (some of them as read only) <syntaxhighlight lang="m2000 interpreter"> Module CheckIt { Declare xml "Microsoft.XMLHTTP" const testUrl$ = "http://www.rosettacode.org" With xml, "readyState" as ReadyState Method xml "Open", "Get", testUrl$, True ' True means Async Method xml "send" \\ We set a thread to count time k=0 Thread { k++ } as TimeOut interval 100 \\ In main thread we can check ReadyState and Mouse button Task.Main 100 { Print ReadyState If ReadyState=4 then exit if k>20 then exit ' 20100= 2 sec if mouse then exit ' exit if mouse click } \\ So now we can read if ReadyState=4 then { With xml, "responseText" AS AA$ \\ break AA$ to lines Document BB$=AA$ \\ using line breaks as CRLF Report BB$ } Declare xml Nothing } CheckIt </syntaxhighlight> =={{header\|Maple}}== In Maple 18 or later: <syntaxhighlight lang="maple"> content := URL:-Get( "http://www.google.com/" ); </syntaxhighlight> In Maple 17 or earlier: <syntaxhighlight lang="maple"> content := HTTP:-Get( "http://www.google.com/" ); </syntaxhighlight> =={{header\|Mathematica}} / {{header\|Wolfram Language}}== <syntaxhighlight lang="mathematica"> Print[Import["http://www.google.com/webhp?complete=1&hl=en", "Source"]] </syntaxhighlight> =={{header\|MATLAB}} / {{header\|Octave}}== [http://www.mathworks.com/help/matlab/ref/urlread.html urlread] is MATLAB's function for making URL requests. The documentation for Octave is available here [http://octave.sourceforge.net/octave/function/urlread.html urlread]. In this example we initiate an HTTP request for a single random number from [http://www.random.org random.org]: <syntaxhighlight lang="matlab"> >> random = urlread('http://www.random.org/integers/?num=1&min=1&max=100&col=1&base=10&format=plain&rnd=new') random = 61 </syntaxhighlight> It is possible to make more complicated requests, specifically "GET" and "POST," which is explained in the [http://www.mathworks.com/help/matlab/ref/urlread.html documentation]. =={{header\|Microsoft Small Basic}}== <syntaxhighlight lang="smallbasic">TextWindow.WriteLine(Network.GetWebPageContents("http://rosettacode.org"))</syntaxhighlight> =={{header\|MIRC Scripting Language}}== See [[HTTP/MIRC Scripting Language]] =={{header\|Nanoquery}}== <syntaxhighlight lang="nanoquery">import http import url url = new(URL, "http://rosettacode.org/wiki/Rosetta_Code") client = new(HTTPClient, url.getHost()) client.connect() response = client.get(url.getFile()) println response.get("body")</syntaxhighlight> =={{header\|Nemerle}}== <syntaxhighlight lang="nemerle">using System; using System.Console; using System.Net; using System.IO; module HTTP { Main() : void { def wc = WebClient(); def myStream = wc.OpenRead("http://rosettacode.org"); def sr = StreamReader(myStream); WriteLine(sr.ReadToEnd()); myStream.Close() } }</syntaxhighlight> =={{header\|NetRexx}}== {{trans\|Java}} An implementation of the [[#Java\|Java]] version shown above; demonstrating NetRexx's ability to exploit the rich Java SDK. <syntaxhighlight lang="netrexx">/ NetRexx / options replace format comments java crossref symbols binary import java.util.Scanner import java.net.URL do rosettaUrl = "http://www.rosettacode.org" sc = Scanner(URL(rosettaUrl).openStream) loop while sc.hasNext say sc.nextLine end catch ex = Exception ex.printStackTrace end return</syntaxhighlight> =={{header\|NewLisp}}== <syntaxhighlight lang="newlisp"> (get-url "http://www.rosettacode.org") </syntaxhighlight> =={{header\|Nim}}== Compile example with command <code>nim c -d:ssl httpClient.nim</code>. <syntaxhighlight lang="nim">import httpclient var client = newHttpClient() echo client.getContent "http://rosettacode.org"</syntaxhighlight> =={{header\|Objeck}}== <syntaxhighlight lang="objeck">use HTTP; use Collection; class HttpTest { function : Main(args : String[]) ~ Nil { lines := HttpClient->New()->Get("http://rosettacode.org"); each(i : lines) { lines->Get(i)->As(String)->PrintLine(); }; } }</syntaxhighlight> =={{header\|Objective-C}}== <syntaxhighlight lang="objc">#import <Foundation/Foundation.h> int main (int argc, const char argv[]) { @autoreleasepool { NSError error; NSURLResponse response; NSData data = [NSURLConnection sendSynchronousRequest:[NSURLRequest requestWithURL:[NSURL URLWithString:@"http://rosettacode.org"]] returningResponse:&response error:&error]; NSLog(@"%@", [[NSString alloc] initWithData:data encoding:NSUTF8StringEncoding]); } return 0; }</syntaxhighlight> =={{header\|OCaml}}== <syntaxhighlight lang="ocaml"> let () = let url = "http://www.rosettacode.org" in let _,_, page_content = make_request ~url ~kind:GET () in print_endline page_content; ;; </syntaxhighlight> The source code of the function ''make_request'' is [[Web_Scraping/OCaml\|here]]. =={{header\|Ol}}== {{libheader\|libcurl}} <syntaxhighlight lang="scheme"> (import (lib curl)) (define curl (make-curl)) (curl 'url "http://rosettacode.org/") (curl 'perform) </syntaxhighlight> =={{header\|ooRexx}}== Got this from a friend. Needs bsf4oorexx from sourceforge. <br>Note that rosettacode.org (as used by java and NetRexx) does not permit this access! <syntaxhighlight lang="oorexx">url=.bsf~new("java.net.URL","http://teletext.orf.at") sc =.bsf~new("java.util.Scanner",url~openStream) loop while sc~hasNext say sc~nextLine End ::requires BSF.CLS -- get Java camouflaging support</syntaxhighlight> {{out}} massaged to avoid problems. <pre><-!DOCTYPE HTML- .. -/html-</pre> =={{header\|Oz}}== When creating a file object, it is possible to specify an URL instead of a filename: <syntaxhighlight lang="oz"> declare fun {GetPage Url} F = {New Open.file init(url:Url)} Contents = {F read(list:$ size:all)} in {F close} Contents end in {System.showInfo {GetPage "http://www.rosettacode.org"}} </syntaxhighlight> {{libheader\|OzHttpClient}} If you need more fine-grained control of the request, you could use a custom library: <syntaxhighlight lang="oz"> declare [HTTPClient] = {Module.link ['x-ozlib://mesaros/net/HTTPClient.ozf']} fun {GetPage Url} Client = {New HTTPClient.urlGET init(inPrms(toFile:false toStrm:true) httpReqPrms )} OutParams HttpResponseParams in {Client getService(Url ?OutParams ?HttpResponseParams)} {Client closeAll(true)} OutParams.sOut end in {System.showInfo {GetPage "http://www.rosettacode.org"}} </syntaxhighlight> =={{header\|Pascal}}== {{works with\|Free Pascal}} Using [http://wiki.freepascal.org/fphttpclient fphttpclient] <syntaxhighlight lang="pascal">{$mode objfpc}{$H+} uses fphttpclient; var s: string; hc: tfphttpclient; begin hc := tfphttpclient.create(nil); try s := hc.get('http://www.example.com') finally hc.free end; writeln(s) end.</syntaxhighlight> {{works with\|Free Pascal}} {{libheader\|CThreads}} {{libheader\|Classes}} {{libheader\|httpsend}} <syntaxhighlight lang="pascal">program http; {$mode objfpc}{$H+} {$APPTYPE CONSOLE} {$DEFINE DEBUG} uses {$IFDEF UNIX}{$IFDEF UseCThreads} cthreads, {$ENDIF}{$ENDIF} Classes, httpsend; // Synapse httpsend class {$R .res} var Response: TStrings; HTTPObj: THTTPSend; begin HTTPObj := THTTPSend.Create; try { Stringlist object to capture HTML returned from URL } Response := TStringList.Create; try if HTTPObj.HTTPMethod('GET','http://wiki.lazarus.freepascal.org/Synapse') then begin { Load HTTP Document into Stringlist } Response.LoadFromStream(HTTPObj.Document); { Write the response to the console window } Writeln(Response.Text); end else Writeln('Error retrieving data'); finally Response.Free; end; finally HTTPObj.Free; end; // Keep console window open Readln; end.</syntaxhighlight> =={{header\|Peloton}}== English dialect, short form: <syntaxhighlight lang="sgml"> <@ SAYURLLIT>http://rosettacode.org/wiki/Main_Page</@> </syntaxhighlight> English dialect, padded variable-length form: <syntaxhighlight lang="sgml"> <# SAY URLSOURCE LITERAL>http://rosettacode.org/wiki/Main_Page</#> </syntaxhighlight> =={{header\|Perl}}== ===Core example=== {{libheader\|HTTP/Tiny}} {{works with\|Perl\|5.14}} {{works with\|Perl/HTTP/Tiny}} This sample is nearly identical to the LWP sample except that it uses HTTP::Tiny which was added to the core libraries in [[Perl/5.14]]. <syntaxhighlight lang="perl">use strict; use warnings; require 5.014; # check HTTP::Tiny part of core use HTTP::Tiny; print( HTTP::Tiny->new()->get( 'http://rosettacode.org')->{content} );</syntaxhighlight> ===Library examples=== ===={{libheader\|LWP}}==== {{works with\|Perl/LWP}} Classic LWP sample. <syntaxhighlight lang="perl">use LWP::Simple qw/get $ua/; $ua->agent(undef) ; # cloudflare blocks default LWP agent print( get("http://www.rosettacode.org") );</syntaxhighlight> or with more error-checking <syntaxhighlight lang="perl">use strict; use LWP::UserAgent; my $url = 'http://www.rosettacode.org'; my $response = LWP::UserAgent->new->get( $url ); $response->is_success or die "Failed to GET '$url': ", $response->status_line; print $response->as_string</syntaxhighlight> =={{header\|Phix}}== {{libheader\|Phix/libcurl}} Note that curl_easy_get_file() is better suited to multi-megabyte downloads than curl_easy_perform_ex(). <!--<syntaxhighlight lang="phix">(notonline)--> <span style="color: #008080;">include</span> <span style="color: #000000;">builtins<span style="color: #0000FF;">\<span style="color: #000000;">libcurl<span style="color: #0000FF;">.<span style="color: #000000;">e</span> <span style="color: #7060A8;">curl_global_init<span style="color: #0000FF;">(<span style="color: #0000FF;">)</span> <span style="color: #004080;">atom</span> <span style="color: #000000;">curl</span> <span style="color: #0000FF;">=</span> <span style="color: #7060A8;">curl_easy_init<span style="color: #0000FF;">(<span style="color: #0000FF;">)</span> <span style="color: #7060A8;">curl_easy_setopt<span style="color: #0000FF;">(<span style="color: #000000;">curl<span style="color: #0000FF;">,</span> <span style="color: #000000;">CURLOPT_URL<span style="color: #0000FF;">,</span> <span style="color: #008000;">"http://rosettacode.org/robots.txt"<span style="color: #0000FF;">)</span> <span style="color: #004080;">object</span> <span style="color: #000000;">res</span> <span style="color: #0000FF;">=</span> <span style="color: #7060A8;">curl_easy_perform_ex<span style="color: #0000FF;">(<span style="color: #000000;">curl<span style="color: #0000FF;">)</span> <span style="color: #7060A8;">curl_easy_cleanup<span style="color: #0000FF;">(<span style="color: #000000;">curl<span style="color: #0000FF;">)</span> <span style="color: #7060A8;">curl_global_cleanup<span style="color: #0000FF;">(<span style="color: #0000FF;">)</span> <span style="color: #7060A8;">puts<span style="color: #0000FF;">(<span style="color: #000000;">1<span style="color: #0000FF;">,<span style="color: #000000;">res<span style="color: #0000FF;">) <!--</syntaxhighlight>--> {{out}} <pre> User-agent: * Allow: /mw/images/ Allow: /mw/skins/ Allow: /mw/title.png Allow: /mw/resources/ Disallow: /w/ Disallow: /mw/ Disallow: /wiki/Special: </pre> =={{header\|PHP}}== <syntaxhighlight lang="php"> readfile("http://www.rosettacode.org"); </syntaxhighlight> =={{header\|PicoLisp}}== <syntaxhighlight lang="picolisp"> (load "@lib/http.l") (client "rosettacode.org" 80 NIL # Connect to rosettacode (out NIL (echo)) ) # Echo to standard output </syntaxhighlight> =={{header\|Pike}}== <syntaxhighlight lang="pike"> write("%s",Protocols.HTTP.get_url_data("http://www.rosettacode.org")); </syntaxhighlight> =={{header\|PowerShell}}== <syntaxhighlight lang="powershell"> Invoke-WebRequest 'http://www.rosettacode.org' </syntaxhighlight> <syntaxhighlight lang="powershell"> $wc = New-Object Net.WebClient $wc.DownloadString('http://www.rosettacode.org') </syntaxhighlight> =={{header\|Prolog}}== Works with SWI-Prolog and library http/http_open. (Extract from the doc). <syntaxhighlight lang="prolog"> :- use_module(library( http/http_open )). http :- http_open('http://www.rosettacode.org/',In, []), copy_stream_data(In, user_output), close(In). </syntaxhighlight> =={{header\|PureBasic}}== <syntaxhighlight lang="purebasic"> InitNetwork() OpenConsole() tmpdir$ = GetTemporaryDirectory() filename$ = tmpdir$ + "PB_tempfile" + Str(Random(200000)) + ".html" If ReceiveHTTPFile("http://rosettacode.org/wiki/Main_Page", filename$) If ReadFile(1, filename$) Repeat PrintN(ReadString(1)) Until Eof(1) Input() ; to prevent console from closing if on windows CloseFile(1) EndIf DeleteFile(filename$) EndIf </syntaxhighlight> Another solution using general networking commands <syntaxhighlight lang="purebasic"> InitNetwork() OpenConsole() id = OpenNetworkConnection("rosettacode.org", 80) SendNetworkString(id, "GET /wiki/Main_Page HTTP/1.1" + Chr(10) + "Host: rosettacode.org" + Chr(10) + Chr(10)) Repeat If NetworkClientEvent(id) = 2 a$ = Space(1000) ReceiveNetworkData(id, @a$, 1000) out$ + a$ EndIf Until FindString(out$, "</html>", 0) PrintN(out$) ; next line only to prevent console from closing on Windows Input() </syntaxhighlight> Of course you could use wget too. =={{header\|Python}}== ;Python 3: Using the [http://docs.python.org/py3k/library/urllib.request.html urllib.request] module. <syntaxhighlight lang="python"> import urllib.request print(urllib.request.urlopen("http://rosettacode.org").read()) </syntaxhighlight> Using a more low-level [https://docs.python.org/3/library/http.client.html http.client] library. <syntaxhighlight lang="python"> from http.client import HTTPConnection conn = HTTPConnection("example.com") # If you need to use set_tunnel, do so here. conn.request("GET", "/") # Alternatively, you can use connect(), followed by the putrequest, putheader and endheaders functions. result = conn.getresponse() r1 = result.read() # This retrieves the entire contents. </syntaxhighlight> ;Python 2: Using the [http://docs.python.org/library/urllib.html urllib] library. <syntaxhighlight lang="python"> import urllib print urllib.urlopen("http://rosettacode.org").read() </syntaxhighlight> Using the [http://docs.python.org/library/urllib2.html urllib2] library. <syntaxhighlight lang="python"> import urllib2 print urllib2.urlopen("http://rosettacode.org").read() </syntaxhighlight> {{libheader\|Requests}} {{works with\|Python\|2.7, 3.4–3.7}} <syntaxhighlight lang="python"> import requests print(requests.get("http://rosettacode.org").text) </syntaxhighlight> =={{header\|R}}== {{libheader\|RCurl}} {{libheader\|XML}} First, retrieve the webpage. <syntaxhighlight lang="r"> library(RCurl) webpage <- getURL("http://rosettacode.org") #If you are linking to a page that no longer exists and need to follow the redirect, use followlocation=TRUE webpage <- getURL("http://www.rosettacode.org", .opts=list(followlocation=TRUE)) #If you are behind a proxy server, you will need to use something like: webpage <- getURL("http://rosettacode.org", .opts=list(proxy="123.123.123.123", proxyusername="domain\\username", proxypassword="mypassword", proxyport=8080)) #Don't forget that backslashes in your username or password need to be escaped! </syntaxhighlight> Now parse the html code into a tree and print the html. <syntaxhighlight lang="r"> library(XML) pagetree <- htmlTreeParse(webpage ) pagetree$children$html </syntaxhighlight> =={{header\|Racket}}== <syntaxhighlight lang="racket"> #lang racket (require net/url) (copy-port (get-pure-port (string->url "http://www.rosettacode.org") #:redirections 100) (current-output-port)) </syntaxhighlight> =={{header\|Raku}}== (formerly Perl 6) {{libheader\|LWP}} Using LWP::Simple from [https://modules.raku.org/search/?q=LWP%3A%3ASimple the Raku ecosystem]. <syntaxhighlight lang="raku" line>use LWP::Simple; print LWP::Simple.get("http://www.rosettacode.org"); </syntaxhighlight> or, without LWP::Simple: <syntaxhighlight lang="raku" line>my $socket = IO::Socket::INET.new(host => "www.rosettacode.org", port => 80,); $socket.print("GET / HTTP/1.0\r\n\r\n"); print $socket.recv(); $socket.close; </syntaxhighlight> =={{header\|REALbasic}}== REALBasic provides an HTTPSocket class for handling HTTP connections. The 'Get' method of the HTTPSocket is overloaded and can download data to a file or return data as a string, in both cases a timeout argument can be passed. <syntaxhighlight lang="realbasic"> Dim sock As New HTTPSocket Print(sock.Get("http://www.rosettacode.org", 10)) //set the timeout period to 10 seconds. </syntaxhighlight> =={{header\|REBOL}}== <syntaxhighlight lang="rebol"> print read http://rosettacode.org </syntaxhighlight> =={{header\|REXX}}== This script takes an URL as an argument and displays the content on the terminal. It uses the external program `curl` to perform both the acquisition of the data and the display. <syntaxhighlight lang="rexx">/* ft=rexx / / GET2.RX - Display contents of an URL on the terminal. / / Usage: rexx get.rx http://rosettacode.org / parse arg url . 'curl' url</syntaxhighlight> A simple change to the script will redirect the output to an internal variable for internal processing. (Our "internal processing" in this case is to display it.) <syntaxhighlight lang="rexx">/ ft=rexx / / GET2.RX - Display contents of an URL on the terminal. / / Usage: rexx get2.rx http://rosettacode.org / parse arg url . address system 'curl' url with output stem stuff. do i = 1 to stuff.0 say stuff.i end</syntaxhighlight> Another simple change redirects the output to another external program like a shell pipe. <syntaxhighlight lang="rexx">/ ft=rexx / / GET3.RX - Display contents of an URL on the terminal. / / Usage: rexx get3.rx http://rosettacode.org / parse arg url . address system 'curl' url with output fifo '' address system 'more' with input fifo ''</syntaxhighlight> =={{header\|Ring}}== <syntaxhighlight lang="ring"> See download("http://rosettacode.org") </syntaxhighlight> =={{header\|RLaB}}== RLaB supports HTTP/FTP through its Read/Write facilities, which are organized around the concept of Universal Resource Locator (URL), :''protocol://address'' RLaB accepts the following values for ''protocol'': :1. ''file'' or omitted, for generic text files or files in native binary format (partially compatible with ''matlab'' binary format); :2. ''h5'' or ''hdf5'' for files that use Hierarhical Data Format 5 (HDF5) version 1.8.0, and later. Here ''protocol'' can be omitted while ''address'' has to end with ''.h5'' (file extension); :3. ''http'', ''https'', or ''ftp'' for accessing the data and files on web- and ftp-servers; :4. ''tcp'', for accessing sockets over tcp/ip protocol; :5. ''serial'', for accessing serial port on Unx type systems. For these URLs RLaB provides an internal book-keeping: It keeps track of the open ones and, say, upon quitting, closes them and releases the internal resources it allocated for managing them. For accessing URLs on world wide web RLaB implements the library cURL (libcurl) [http://curl.haxx.se] and its "easy" interface. This said, this is how one would download financial data for Pfeizer from Yahoo [http://ichart.finance.yahoo.com/table.csv?s=PFE&a=00&b=4&c=1982&d=00&e=10&f=2010&g=d&ignore=.csv]. <syntaxhighlight lang="rlab"> // get cvs data from Yahoo for Pfeizer (PFE) url="http://ichart.finance.yahoo.com/table.csv?s=PFE&a=00&b=4&c=1982&d=00&e=10&f=2010&g=d&ignore=.csv"; opt = <<>>; // opt.CURLOPT_PROXY = "your.proxy.here"; // opt.CURLOPT_PROXYPORT = YOURPROXYPORT; // opt.CURLOPT_PROXYTYPE = "http"; open(url, opt); x = readm(url); close (url); </syntaxhighlight> =={{header\|Ruby}}== The simple way loads the entire content into memory, then prints it. <syntaxhighlight lang="ruby"> require 'open-uri' print open("http://rosettacode.org") {\|f\| f.read} </syntaxhighlight> If the content might be large, the better way uses FileUtils.copy_stream. <syntaxhighlight lang="ruby"> require 'fileutils' require 'open-uri' open("http://rosettacode.org/") {\|f\| FileUtils.copy_stream(f, $stdout)} </syntaxhighlight> =={{header\|Run BASIC}}== <syntaxhighlight lang="runbasic">print httpget$("http://rosettacode.org/wiki/Main_Page")</syntaxhighlight> =={{header\|Rust}}== Cargo.toml <syntaxhighlight lang="toml"> [dependencies] hyper = "0.6" </syntaxhighlight> src/main.rs <syntaxhighlight lang="rust"> //cargo-deps: hyper="0.6" // The above line can be used with cargo-script which makes cargo's dependency handling more convenient for small programs extern crate hyper; use std::io::Read; use hyper::client::Client; fn main() { let client = Client::new(); let mut resp = client.get("http://rosettacode.org").send().unwrap(); let mut body = String::new(); resp.read_to_string(&mut body).unwrap(); println!("{}", body); } </syntaxhighlight> =={{header\|Scala}}== {{libheader\|Scala}} <syntaxhighlight lang="scala">import scala.io.Source object HttpTest extends App { System.setProperty("http.agent", "") Source.fromURL("http://www.rosettacode.org").getLines.foreach(println) }</syntaxhighlight> =={{header\|Scheme}}== {{works with\|Guile}} <syntaxhighlight lang="scheme"> ; Use the regular expression module to parse the url (included with Guile) (use-modules (ice-9 regex)) ; Set the url and parse the hostname, port, and path into variables (define url "http://www.rosettacode.org/wiki/HTTP") (define r (make-regexp "^(http://)?([^:/]+)(:)?(([0-9])+)?(/.)?" regexp/icase)) (define host (match:substring (regexp-exec r url) 2)) (define port (match:substring (regexp-exec r url) 4)) (define path (match:substring (regexp-exec r url) 6)) ; Set port to 80 if it wasn't set above and convert from a string to a number (if (eq? port #f) (define port "80")) (define port (string->number port)) ; Connect to remote host on specified port (let ((s (socket PF_INET SOCK_STREAM 0))) (connect s AF_INET (car (hostent:addr-list (gethostbyname host))) port) ; Send a HTTP request for the specified path (display "GET " s) (display path s) (display " HTTP/1.0\r\n\r\n" s) ; Display the received HTML (do ((c (read-char s) (read-char s))) ((eof-object? c)) (display c))) </syntaxhighlight> {{works with\|Chicken Scheme}} Using the [http://api.call-cc.org/doc/http-client http-client] library, this is trivial. <syntaxhighlight lang="scheme"> (use http-client) (print (with-input-from-request "http://google.com/" #f read-string)) </syntaxhighlight> =={{header\|Seed7}}== The [http://seed7.sourceforge.net/libraries/gethttp.htm gethttp.s7i] library contains the function [http://seed7.sourceforge.net/libraries/gethttp.htm#getHttp%28in_string%29 getHttp], which gets data specified by an URL using the HTTP protocol. <syntaxhighlight lang="seed7"> $ include "seed7_05.s7i"; include "gethttp.s7i"; const proc: main is func begin writeln(getHttp("www.rosettacode.org")); end func;</syntaxhighlight> =={{header\|SenseTalk}}== <syntaxhighlight lang="sensetalk">put url "http://www.rosettacode.org"</syntaxhighlight> =={{header\|Sidef}}== Sidef can load and use Perl modules: <syntaxhighlight lang="ruby">require('HTTP::Tiny') func get(url) { static ua = %O<HTTP::Tiny>.new(agent => 'Mozilla/5.0') var resp = ua.get(url) if (resp{:success}) { return resp{:content}.decode_utf8 } return nil } say get("http://rosettacode.org")</syntaxhighlight> =={{header\|Smalltalk}}== {{works with\|Pharo}} <syntaxhighlight lang="smalltalk"> Transcript show: 'http://rosettacode.org' asUrl retrieveContents contentStream. </syntaxhighlight> =={{header\|SNOBOL4}}== {{works with\|Macro SNOBOL4 in C}} <syntaxhighlight lang="snobol">-include "tcp.sno" tcp.open(.conn,'www.rosettacode.org','http') :s(cont1) terminal = "cannot open" :(end) cont1 conn = "GET http://rosettacode.org/wiki/Main_Page HTTP/1.0" char(10) char(10) while output = conn :s(while) tcp.close(.conn) end </syntaxhighlight> =={{header\|Swift}}== <syntaxhighlight lang="swift">import Foundation let request = NSURLRequest(URL: NSURL(string: "http://rosettacode.org/")!) // Using trailing closure NSURLConnection.sendAsynchronousRequest(request, queue: NSOperationQueue()) {res, data, err in // data is binary if (data != nil) { let string = NSString(data: data!, encoding: NSUTF8StringEncoding) println(string) } } CFRunLoopRun() // dispatch</syntaxhighlight> =={{header\|Tcl}}== Note that the <code>http</code> package is distributed as part of Tcl. <syntaxhighlight lang="tcl"> package require http set request [http::geturl "http://www.rosettacode.org"] puts [http::data $request] http::cleanup $request</syntaxhighlight> =={{header\|TSE SAL}}== <syntaxhighlight lang="tse sal"> DLL "<urlmon.dll>" INTEGER PROC FNUrlGetSourceApiI( INTEGER lpunknown, STRING urlS : CSTRVAL, STRING filenameS : CSTRVAL, INTEGER dword, INTEGER tlpbindstatuscallback ) : "URLDownloadToFileA" END // library: url: get: source <description></description> <version control></version control> <version>1.0.0.0.3</version> (filenamemacro=geturgso.s) [kn, ri, su, 13-04-2008 05:12:53] PROC PROCUrlGetSource( STRING urlS, STRING filenameS ) FNUrlGetSourceApiI( 0, urlS, filenameS, 0, 0 ) END PROC Main() STRING s1[255] = "http://www.google.com/index.html" STRING s2[255] = "c:\temp\ddd.txt" IF ( NOT ( Ask( "url: get: source: urlS = ", s1, _EDIT_HISTORY_ ) ) AND ( Length( s1 ) > 0 ) ) RETURN() ENDIF IF ( NOT ( AskFilename( "url: get: source: filenameS = ", s2, _DEFAULT_, _EDIT_HISTORY_ ) ) AND ( Length( s2 ) > 0 ) ) RETURN() ENDIF PROCUrlGetSource( s1, s2 ) EditFile( s2 ) END </syntaxhighlight> =={{header\|TUSCRIPT}}== <syntaxhighlight lang="tuscript"> $$ MODE TUSCRIPT SET DATEN = REQUEST ("http://www.rosettacode.org") {daten} </syntaxhighlight> =={{header\|UNIX Shell}}== <syntaxhighlight lang="bash">curl -s -L http://rosettacode.org/</syntaxhighlight> <syntaxhighlight lang="bash">lynx -source http://rosettacode.org/</syntaxhighlight> <syntaxhighlight lang="bash">wget -O - -q http://rosettacode.org/</syntaxhighlight> <syntaxhighlight lang="bash">lftp -c "cat http://rosettacode.org/"</syntaxhighlight> {{works with\|BSD}} <syntaxhighlight lang="bash">ftp -o - http://rosettacode.org 2>/dev/null</syntaxhighlight> =={{header\|VBScript}}== {{Libheader\|Microsoft.XmlHTTP}} Based on code at [http://itknowledgeexchange.techtarget.com/vbscript-systems-administrator/how-to-retrieve-html-web-pages-with-vbscript-via-the-microsoftxmlhttp-object/ How to retrieve HTML web pages with VBScript via the Microsoft.XmlHttp object] <syntaxhighlight lang="vb"> Option Explicit Const sURL="http://rosettacode.org/" Dim oHTTP Set oHTTP = CreateObject("Microsoft.XmlHTTP") On Error Resume Next oHTTP.Open "GET", sURL, False oHTTP.Send "" If Err.Number = 0 Then WScript.Echo oHTTP.responseText Else Wscript.Echo "error " & Err.Number & ": " & Err.Description End If Set oHTTP = Nothing </syntaxhighlight> =={{header\|Visual Basic}}== {{Libheader\|Microsoft.WinHttp}} {{works with\|Visual Basic\|5}} {{works with\|Visual Basic\|6}} {{works with\|VBA\|Access 97}} {{works with\|VBA\|6.5}} {{works with\|VBA\|7.1}} <syntaxhighlight lang="vb">Sub Main() Dim HttpReq As WinHttp.WinHttpRequest ' in the "references" dialog of the IDE, check ' "Microsoft WinHTTP Services, version 5.1" (winhttp.dll) Const HTTPREQUEST_PROXYSETTING_PROXY As Long = 2 #Const USE_PROXY = 1 Set HttpReq = New WinHttp.WinHttpRequest HttpReq.Open "GET", "http://rosettacode.org/robots.txt" #If USE_PROXY Then HttpReq.SetProxy HTTPREQUEST_PROXYSETTING_PROXY, "my_proxy:80" #End If HttpReq.SetTimeouts 1000, 1000, 1000, 1000 HttpReq.Send Debug.Print HttpReq.ResponseText End Sub</syntaxhighlight> =={{header\|Visual Basic .NET}}== <syntaxhighlight lang="vbnet"> Imports System.Net Dim client As WebClient = New WebClient() Dim content As String = client.DownloadString("http://www.google.com") Console.WriteLine(content) </syntaxhighlight> =={{header\|V (Vlang)}}== <syntaxhighlight lang="Vlang"> import net.http fn main() { resp := http.get("http://rosettacode.org/robots.txt") or {println(err) exit(-1)} println(resp.body.str()) } </syntaxhighlight> =={{header\|Wren}}== {{trans\|C}} {{libheader\|libcurl}} An embedded program so we can ask the C host to communicate with libcurl for us. <syntaxhighlight lang="wren">/ HTTP.wren / var CURLOPT_URL = 10002 var CURLOPT_FOLLOWLOCATION = 52 var CURLOPT_ERRORBUFFER = 10010 foreign class Curl { construct easyInit() {} foreign easySetOpt(opt, param) foreign easyPerform() foreign easyCleanup() } var curl = Curl.easyInit() if (curl == 0) { System.print("Error initializing cURL.") return } curl.easySetOpt(CURLOPT_URL, "http://www.rosettacode.org/") curl.easySetOpt(CURLOPT_FOLLOWLOCATION, 1) curl.easySetOpt(CURLOPT_ERRORBUFFER, 0) // buffer to be supplied by C var status = curl.easyPerform() if (status != 0) { System.print("Failed to perform task.") return } curl.easyCleanup()</syntaxhighlight> <br> We now embed this in the following C program, compile and run it. <syntaxhighlight lang="c">/ gcc HTTP.c -o HTTP -lcurl -lwren -lm / #include <stdio.h> #include <stdlib.h> #include <string.h> #include <curl/curl.h> #include "wren.h" / C <=> Wren interface functions / void C_curlAllocate(WrenVM vm) { CURL pcurl = (CURL)wrenSetSlotNewForeign(vm, 0, 0, sizeof(CURL)); pcurl = curl_easy_init(); } void C_easyPerform(WrenVM* vm) { CURL* curl = (CURL)wrenGetSlotForeign(vm, 0); CURLcode cc = curl_easy_perform(curl); wrenSetSlotDouble(vm, 0, (double)cc); } void C_easyCleanup(WrenVM vm) { CURL* curl = (CURL)wrenGetSlotForeign(vm, 0); curl_easy_cleanup(curl); } void C_easySetOpt(WrenVM vm) { CURL* curl = (CURL)wrenGetSlotForeign(vm, 0); CURLoption opt = (CURLoption)wrenGetSlotDouble(vm, 1); if (opt < 10000) { long lparam = (long)wrenGetSlotDouble(vm, 2); curl_easy_setopt(curl, opt, lparam); } else { if (opt == CURLOPT_URL) { const char url = wrenGetSlotString(vm, 2); curl_easy_setopt(curl, opt, url); } else if (opt == CURLOPT_ERRORBUFFER) { char buffer[CURL_ERROR_SIZE]; curl_easy_setopt(curl, opt, buffer); } } } WrenForeignClassMethods bindForeignClass(WrenVM* vm, const char* module, const char* className) { WrenForeignClassMethods methods; methods.allocate = NULL; methods.finalize = NULL; if (strcmp(module, "main") == 0) { if (strcmp(className, "Curl") == 0) { methods.allocate = C_curlAllocate; } } return methods; } WrenForeignMethodFn bindForeignMethod( WrenVM* vm, const char* module, const char* className, bool isStatic, const char* signature) { if (strcmp(module, "main") == 0) { if (strcmp(className, "Curl") == 0) { if (!isStatic && strcmp(signature, "easySetOpt(_,_)") == 0) return C_easySetOpt; if (!isStatic && strcmp(signature, "easyPerform()") == 0) return C_easyPerform; if (!isStatic && strcmp(signature, "easyCleanup()") == 0) return C_easyCleanup; } } return NULL; } static void writeFn(WrenVM* vm, const char* text) { printf("%s", text); } void errorFn(WrenVM* vm, WrenErrorType errorType, const char* module, const int line, const char* msg) { switch (errorType) { case WREN_ERROR_COMPILE: printf("[%s line %d] [Error] %s\n", module, line, msg); break; case WREN_ERROR_STACK_TRACE: printf("[%s line %d] in %s\n", module, line, msg); break; case WREN_ERROR_RUNTIME: printf("[Runtime Error] %s\n", msg); break; } } char readFile(const char fileName) { FILE f = fopen(fileName, "r"); fseek(f, 0, SEEK_END); long fsize = ftell(f); rewind(f); char script = malloc(fsize + 1); fread(script, 1, fsize, f); fclose(f); script[fsize] = 0; return script; } int main(int argc, char *argv) { WrenConfiguration config; wrenInitConfiguration(&config); config.writeFn = &writeFn; config.errorFn = &errorFn; config.bindForeignClassFn = &bindForeignClass; config.bindForeignMethodFn = &bindForeignMethod; WrenVM vm = wrenNewVM(&config); const char* module = "main"; const char* fileName = "HTTP.wren"; char script = readFile(fileName); WrenInterpretResult result = wrenInterpret(vm, module, script); switch (result) { case WREN_RESULT_COMPILE_ERROR: printf("Compile Error!\n"); break; case WREN_RESULT_RUNTIME_ERROR: printf("Runtime Error!\n"); break; case WREN_RESULT_SUCCESS: break; } wrenFreeVM(vm); free(script); return 0; }</syntaxhighlight> =={{header\|X86-64 Assembly}}== ===UASM 5.52=== The same as the [[Sockets]] example, Just with a read method added... <syntaxhighlight lang="asm"> option casemap:none option literals:on ifndef __SOCKET_CLASS__ __SOCKET_CLASS__ equ 1 if @Platform eq windows64 WSADATA struct wVersion dw ? wHighVersion dw ? iMaxSockets dw ? iMaxUdpDg dw ? szDescription db 256 dup (?) szSystemStatus db 128 dup (?) lpVendorInfo dq ? WSADATA ends option dllimport:<kernel32> ExitProcess proto :word HeapAlloc proto :qword, :dword, :qword HeapFree proto :qword, :dword, :qword GetProcessHeap proto option dllimport:<ws2_32> WSAStartup proto :word, :qword WSACleanup proto :qword closesocket proto :dword option dllimport:none exit equ ExitProcess close equ closesocket elseif @Platform eq linux64 malloc proto SYSTEMV :qword free proto SYSTEMV :qword close proto SYSTEMV :dword exit proto SYSTEMV :dword endif memset proto :qword, :dword, :dword printf proto :qword, :vararg strlen proto :qword getaddrinfo proto :qword, :qword, :qword, :qword gai_strerror proto :dword send proto :dword, :qword, :qword, :dword recv proto :dword, :qword, :qword, :dword socket proto :dword, :dword, :dword connect proto :dword, :qword, :dword freeaddrinfo proto :qword CLASS socket_class CMETHOD conn CMETHOD write CMETHOD read ENDMETHODS if @Platform eq windows64 wsa WSADATA <?> endif sock dd 0 pai dq 0 hostname dq ? port dq ? ENDCLASS METHOD socket_class, Init, <VOIDARG>, <>, h:qword, p:qword mov rbx, thisPtr assume rbx:ptr socket_class mov rax, h mov [rbx].hostname, rax mov rax, p mov [rbx].port, rax mov rax, rbx assume rbx:nothing ret ENDMETHOD METHOD socket_class, conn, <dword>, <> local ht:qword mov rbx, thisPtr assume rbx:ptr socket_class invoke printf, CSTR("--> Attempting connection to %s on %s",10), [rbx].hostname ,[rbx].port if @Platform eq windows64 invoke WSAStartup, 202h, addr [rbx].wsa endif invoke memset, ht, 0, 0x30 ;; sizeof(struct addrinfo) mov rax, ht mov dword ptr [rax], 0 ;; ai_flags mov dword ptr [rax+4], AF_INET mov dword ptr [rax+8], SOCK_STREAM invoke getaddrinfo, [rbx].hostname, [rbx].port, ht, addr [rbx].pai .if rax != 0 invoke gai_strerror, eax invoke printf, CSTR("--> Gai_strerror returned: %s",10), rax mov rax, -1 jmp _exit .endif mov rax, [rbx].pai mov edx, dword ptr [rax + 0XC] ;; pai.ai_protocol mov ecx, dword ptr [rax + 8] ;; pai.ai_socktype mov eax, dword ptr [rax + 4] ;; pai.ai_family invoke socket, eax, ecx, edx .if rax == -1 mov rax, -1 jmp _exit .endif mov [rbx].sock, eax invoke printf, CSTR("--> Socket created as: %d",10), [rbx].sock mov rax, [rbx].pai mov edx, dword ptr [rax + 0x10] ;; pai.ai_addrlen mov rcx, qword ptr [rax + 0x18] ;; pai.ai_addr invoke connect, [rbx].sock, rcx, edx .if rax == -1 invoke printf, CSTR("--> connect failed.. %i",10), rax mov rax, -1 jmp _exit .endif mov rax, 0 _exit: assume rbx:nothing ret ENDMETHOD METHOD socket_class, write, <dword>, <>, b:qword local tmp:qword mov rbx, thisPtr assume rbx:ptr socket_class mov rax, b mov tmp, rax invoke strlen, tmp mov rdx, rax invoke send, [rbx].sock, tmp, rdx, 0 .if eax == -1 invoke printf, CSTR("--> Error in send..%d",10), rax ret .endif assume rbx:nothing ret ENDMETHOD METHOD socket_class, read, <VOIDARG>, <>, b:qword local tmp:qword mov rbx, thisPtr assume rbx:ptr socket_class mov rax, b mov tmp, rax invoke recv, [rbx].sock, tmp,MAX_READ_BYTES, 0 push rax mov rax, tmp mov b, rax pop rax invoke printf, CSTR("--> recv called, got %d bytes..",10), rax assume rbx:nothing ret ENDMETHOD METHOD socket_class, Destroy, <VOIDARG>, <> mov rbx, thisPtr assume rbx:ptr socket_class invoke close, [rbx].sock if @Platform eq windows64 invoke WSACleanup, addr [rbx].wsa endif .if [rbx].pai != 0 invoke freeaddrinfo, [rbx].pai .endif assume rbx:nothing ret ENDMETHOD endif ;; __SOCKET_CLASS__ MAX_READ_BYTES equ 4023 .code main proc local lpSocket:ptr socket_class local buffer:qword mov lpSocket, _NEW(socket_class, CSTR("www.google.com"), CSTR("80")) lpSocket->conn() .if rax == -1 invoke exit, 0 ret .endif invoke printf, CSTR("-> Connected, sending data.",10) lpSocket->write(CSTR("GET / HTTP 1.0",13,10,"Accept: text/html",13,10,13,10)) MEMALLOC(MAX_READ_BYTES) mov buffer, rax lpSocket->read(buffer) invoke printf, CSTR("%s"), buffer MEMFREE(buffer) _DELETE(lpSocket) invoke exit, 0 ret main endp end </syntaxhighlight> =={{header\|zkl}}== File htmlGet.zkl. This uses HTTP/1.0 Protocol to avoid chunked data. Or use cURL (see https example). <syntaxhighlight lang="zkl">url := ask(0,"URL: "); host := url; dir := "/"; port := 80; if (n := url.find("/")) { dir = url[n,]; host = url[0,n]; } if (n := host.find(":")) { port = host[n+1,]; host = host[0,n]; } get := "GET %s HTTP/1.0\r\nHost: %s:%s\r\n\r\n".fmt(dir,host,port.toInt()); println("-->",get); server := Network.TCPClientSocket.connectTo(host,port); server.write(get); data := server.read(True); println(data.text);</syntaxhighlight> zkl htmlGet.zkl rosettacode.org/wiki/HTTP {{out}} <pre> -->GET /wiki/HTTP HTTP/1.0 Host: rosettacode.org:80 HTTP/1.1 200 OK Server: cloudflare-nginx Date: Tue, 11 Mar 2014 08:31:43 GMT Content-Type: text/html; charset=UTF-8 Connection: close Set-Cookie:XXX 23:50:00 GMT; path=/; domain=.rosettacode.org; HttpOnly X-Powered-By: PHP/5.3.3-7+squeeze18 X-Content-Type-Options: nosniff Content-Language: en ETag: W/"rosettacode:pcache:idhash:3055-0!1!0!!en!2--20140227082903" Vary: Accept-Encoding,Cookie Cache-Control: s-maxage=86400, must-revalidate, max-age=0 Last-Modified: Thu, 27 Feb 2014 08:29:03 GMT Age: 86011 X-Cache: HIT from prgmr2.rosettacode.org X-Cache-Lookup: HIT from prgmr2.rosettacode.org:80 Via: 1.0 prgmr2.rosettacode.org (squid/3.1.6) CF-RAY: 109665b7e92a012c-SJC <!DOCTYPE html> <html lang="en" dir="ltr" class="client-nojs"> <head> <title>HTTP - Rosetta Code</title> ... </pre> =={{header\|Zoea}}== <syntaxhighlight lang="zoea"> program: http input: 'https://zoea.co.uk/examples/test.txt' output: 'hello from zoea' </syntaxhighlight> =={{header\|Zoea Visual}}== [http://zoea.co.uk/examples/zv-rc/Http.png HTTP] =={{header\|Zsh}}== <syntaxhighlight lang="zsh"> zmodload zsh/net/tcp ztcp example.com 80 fd=$REPLY print -l -u $fd -- 'GET / HTTP/1.1' 'Host: example.com' '' while read -u $fd -r -e -t 1; do; :; done ztcp -c $fd </syntaxhighlight> {{omit from\|Applesoft BASIC\|No TCP/IP network support on Apple II}} {{omit from\|Brainf**}} {{omit from\|Commodore BASIC\|Does not have network access}} {{omit from\|EasyLang\|Has no internet functions}} {{omit from\|Inform 7\|Does not have network access.}} {{omit from\|Integer BASIC\|No TCP/IP network support on Apple II}} {{omit from\|Locomotive Basic\|Does not have network access.}} {{omit from\|Lotus 123 Macro Scripting}} {{omit from\|M4}} {{omit from\|Maxima}} {{omit from\|ML/I}} {{omit from\|Openscad}} {{omit from\|PARI/GP}} {{omit from\|PostScript}} {{omit from\|Retro\|Does not have network access.}} {{omit from\|SQL PL\|Does not have network access}} {{omit from\|TI-83 BASIC\|Does not have network access.}} {{omit from\|TI-89 BASIC\|Does not have network access.}} {{omit from\|Unlambda\|Does not have network access.}} {{omit from\|Yorick\|Does not have network access.}} {{omit from\|ZX Spectrum Basic\|Does not have network access.}}