File size: Difference between revisions
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=={{header|11l}}==
<
V size2 = fs:file_size(‘/input.txt’)</
=={{header|8086 Assembly}}==
Line 12:
This program runs under MS-DOS.
<
puts: equ 9 ; Print $-terminated string
setdta: equ 1Ah ; Set DTA
Line 79:
colspc: db ': $' ; Colon and space
section .bss
dta: resb 512 ; Disc transfer area</
{{out}}
Line 104:
INPUT.TXT: 10 bytes
\INPUT.TXT: 8 bytes</pre>
=={{header|AArch64 Assembly}}==
{{works with|as|Raspberry Pi 3B version Buster 64 bits <br> or android 64 bits with application Termux }}
<syntaxhighlight lang AArch64 Assembly>
/* ARM assembly AARCH64 Raspberry PI 3B */
/* program filelen64.s */
/************************************/
/* Constantes */
/************************************/
/* for this file see task include a file in language AArch64 assembly*/
.include "../includeConstantesARM64.inc"
.equ FSTAT, 0x50
/************************************/
/* structure de type stat : file infos */
/************************************/
.struct 0
Stat_dev_t: /* ID of device containing file */
.struct Stat_dev_t + 8
Stat_ino_t: /* inode */
.struct Stat_ino_t + 8
Stat_mode_t: /* File type and mode */
.struct Stat_mode_t + 4
Stat_nlink_t: /* Number of hard links */
.struct Stat_nlink_t + 4
Stat_uid_t: /* User ID of owner */
.struct Stat_uid_t + 4
Stat_gid_t: /* Group ID of owner */
.struct Stat_gid_t + 4
Stat_rdev_t: /* Device ID (if special file) */
.struct Stat_rdev_t + 8
Stat_size_deb: /* la taille est sur 8 octets si gros fichiers */
.struct Stat_size_deb + 8
Stat_size_t: /* Total size, in bytes */
.struct Stat_size_t + 8
Stat_blksize_t: /* Block size for filesystem I/O */
.struct Stat_blksize_t + 8
Stat_blkcnt_t: /* Number of 512B blocks allocated */
.struct Stat_blkcnt_t + 8
Stat_atime: /* date et heure fichier */
.struct Stat_atime + 8
Stat_mtime: /* date et heure modif fichier */
.struct Stat_atime + 8
Stat_ctime: /* date et heure creation fichier */
.struct Stat_atime + 8
Stat_End:
/*********************************/
/* Initialized data */
/*********************************/
.data
szMessResult: .asciz " File size = "
szCarriageReturn: .asciz "\n"
szMessErrOpen: .asciz "Error open file\n"
szMessErrStat: .asciz "Error stats file\n"
szFileName: .asciz "input.txt"
szFileName1: .asciz "../../../input.txt"
/*********************************/
/* UnInitialized data */
/*********************************/
.bss
sZoneConv: .skip 24
sBuffer: .skip Stat_End
/*********************************/
/* code section */
/*********************************/
.text
.global main
main:
ldr x0,qAdrszFileName // file name
bl filesize
cmp x0,#0
blt 100f
ldr x1,qAdrsZoneConv
bl conversion10 // call décimal conversion
mov x0,#4
ldr x1,qAdrszFileName
ldr x2,qAdrszMessResult
ldr x3,qAdrsZoneConv // insert conversion in message
ldr x4,qAdrszCarriageReturn
stp x4,x4,[sp,-16]! // save registers
bl displayStrings // display message
add sp,sp,#16 // 1 parameter on stack
ldr x0,qAdrszFileName1 // file name
bl filesize
cmp x0,#0
blt 100f
ldr x1,qAdrsZoneConv
bl conversion10 // call décimal conversion
ldr x0,qAdrsZoneConv
mov x0,#4
ldr x1,qAdrszFileName1
ldr x2,qAdrszMessResult
ldr x3,qAdrsZoneConv // insert conversion in message
ldr x4,qAdrszCarriageReturn
stp x4,x4,[sp,-16]! // save registers
bl displayStrings // display message
add sp,sp,#16 // 1 parameter on stack
100: // standard end of the program
mov x0, #0 // return code
mov x8,EXIT
svc #0 // perform the system call
qAdrszCarriageReturn: .quad szCarriageReturn
qAdrsZoneConv: .quad sZoneConv
qAdrszMessResult: .quad szMessResult
qAdrszFileName: .quad szFileName
qAdrszFileName1: .quad szFileName1
qAdrsBuffer: .quad sBuffer
qAdrszMessErrOpen: .quad szMessErrOpen
qAdrszMessErrStat: .quad szMessErrStat
/***************************************************/
/* display multi strings */
/***************************************************/
/* x0 contains number strings address */
filesize: // INFO: filesize
stp x1,lr,[sp,-16]! // save registers
stp x2,x3,[sp,-16]! // save registers
stp x4,x5,[sp,-16]! // save registers
stp x6,x7,[sp,-16]! // save registers
stp x8,x9,[sp,-16]! // save registers
mov x1,x0
mov x0,#AT_FDCWD
mov x2,#O_RDWR // flags
mov x3,#0 // mode
mov x8,#OPEN
svc 0
cmp x0,#0 // error ?
ble 99f
mov x8,x0 // Fd save
ldr x1,qAdrsBuffer // buffer address
mov x8,#FSTAT
svc 0
cmp x0,#0
blt 98f
ldr x1,qAdrsBuffer // buffer address
ldr x4,[x1,#Stat_size_t] // file size
mov x0,x8
mov x8,CLOSE
mov x0,x4 // return size
b 100f
98:
ldr x0,qAdrszMessErrStat
bl affichageMess
mov x0,#-1
b 100f
99:
ldr x0,qAdrszMessErrOpen
bl affichageMess
mov x0,#-1
100:
ldp x8,x9,[sp],16 // restaur registers
ldp x6,x7,[sp],16 // restaur registers
ldp x4,x5,[sp],16 // restaur registers
ldp x2,x3,[sp],16 // restaur registers
ldp x1,lr,[sp],16 // restaur registers
ret
/***************************************************/
/* display multi strings */
/***************************************************/
/* x0 contains number strings address */
/* x1 address string1 */
/* x2 address string2 */
/* x3 address string3 */
/* other address on the stack */
/* thinck to add number other address * 4 to add to the stack */
displayStrings: // INFO: displayStrings
stp x1,lr,[sp,-16]! // save registers
stp x2,x3,[sp,-16]! // save registers
stp x4,x5,[sp,-16]! // save registers
add fp,sp,#48 // save paraméters address (6 registers saved * 4 bytes)
mov x4,x0 // save strings number
cmp x4,#0 // 0 string -> end
ble 100f
mov x0,x1 // string 1
bl affichageMess
cmp x4,#1 // number > 1
ble 100f
mov x0,x2
bl affichageMess
cmp x4,#2
ble 100f
mov x0,x3
bl affichageMess
cmp x4,#3
ble 100f
mov x3,#3
sub x2,x4,#4
1: // loop extract address string on stack
ldr x0,[fp,x2,lsl #3]
bl affichageMess
subs x2,x2,#1
bge 1b
100:
ldp x4,x5,[sp],16 // restaur registers
ldp x2,x3,[sp],16 // restaur registers
ldp x1,lr,[sp],16 // restaur registers
ret
/***************************************************/
/* ROUTINES INCLUDE */
/***************************************************/
/* for this file see task include a file in language AArch64 assembly */
.include "../includeARM64.inc"
</syntaxhighlight>
{{out}}
<pre>
~/.../rosetta/asm3 $ filelen64
input.txt File size = 13
../../../input.txt File size = 6
</pre>
=={{header|Action!}}==
Line 109 ⟶ 322:
DOS 2.5 returns file size in number of sectors. It is required to read the whole file to calculate its size in bytes.
{{libheader|Action! Tool Kit}}
<
PROC Dir(CHAR ARRAY filter)
Line 155 ⟶ 368:
size=FileSize(fname)
PrintF("Size of ""%S"" is %U bytes%E",fname,size)
RETURN</
{{out}}
<pre>
Line 169 ⟶ 382:
The '''Sparta DOS X''' system stores the size of the file in the directory. The readout of the values is performed with the XIO 39 operation. In the ICAX3, ICAX4, ICAX5 registers values are returned in 24-byte format. Calculation according to the formula: ICAX3 + ICAX4 * 256 + ICAX5 * 65536.
{{libheader|Action! Tool Kit}}
<
proc MAIN()
Line 183 ⟶ 396:
print("Size of REAL.ACT is ") printRD(DEVICE,FLEN) printe(" bytes")
return
</syntaxhighlight>
{{out}}
<pre>
Line 190 ⟶ 403:
=={{header|Ada}}==
<
with Ada.Text_IO; use Ada.Text_IO;
Line 197 ⟶ 410:
Put_Line (File_Size'Image (Size ("input.txt")) & " bytes");
Put_Line (File_Size'Image (Size ("/input.txt")) & " bytes");
end Test_File_Size;</
Note that reference to the root directory, if there is any, is [[OS]] specific.
=={{header|Aime}}==
<
o_("/Cygwin.ico".stat(ST_SIZE), "\n");</
=={{header|ALGOL 68}}==
Line 208 ⟶ 421:
special channel, e.g. a tape device.
Conceptually the procedure <
could be used to do a binary search find the last page's page number. And if it is known
that every page has the same number of lines, and every line has the same number of '''char'''[s],
Line 216 ⟶ 429:
It is probably much easier to use some an operating system library. This library is not part of
the standard ALGOL 68 language definition.
=={{header|ARM Assembly}}==
{{works with|as|Raspberry Pi <br> or android 32 bits with application Termux}}
<syntaxhighlight lang ARM Assembly>
/* ARM assembly Raspberry PI or android with termux */
/* program filelen.s */
/* REMARK 1 : this program use routines in a include file
see task Include a file language arm assembly
for the routine affichageMess conversion10
see at end of this program the instruction include */
/* for constantes see task include a file in arm assembly */
/************************************/
/* Constantes */
/************************************/
.include "../constantes.inc"
.equ OPEN, 5
.equ NEWFSTAT, 0xc5
.equ O_RDWR, 0x0002 @ open for reading and writing
/************************************/
/* structure de type stat : file infos */
/************************************/
.struct 0
Stat_dev_t: /* ID of device containing file */
.struct Stat_dev_t + 8
Stat_ino_t: /* inode */
.struct Stat_ino_t + 8
Stat_mode_t: /* File type and mode */
.struct Stat_mode_t + 4
Stat_nlink_t: /* Number of hard links */
.struct Stat_nlink_t + 4
Stat_uid_t: /* User ID of owner */
.struct Stat_uid_t + 4
Stat_gid_t: /* Group ID of owner */
.struct Stat_gid_t + 4
Stat_rdev_t: /* Device ID (if special file) */
.struct Stat_rdev_t + 8
Stat_size_deb: /* la taille est sur 8 octets si gros fichiers */
.struct Stat_size_deb + 8
Stat_size_t: /* Total size, in bytes */
.struct Stat_size_t + 4
Stat_blksize_t: /* Block size for filesystem I/O */
.struct Stat_blksize_t + 4
Stat_blkcnt_t: /* Number of 512B blocks allocated */
.struct Stat_blkcnt_t + 4
Stat_atime: /* date et heure fichier */
.struct Stat_atime + 8
Stat_mtime: /* date et heure modif fichier */
.struct Stat_atime + 8
Stat_ctime: /* date et heure creation fichier */
.struct Stat_atime + 8
Stat_End:
/*********************************/
/* Initialized data */
/*********************************/
.data
szMessResult: .asciz " File size = "
szCarriageReturn: .asciz "\n"
szMessErrOpen: .asciz "Error open file\n"
szMessErrStat: .asciz "Error stats file\n"
szFileName: .asciz "input.txt"
szFileName1: .asciz "../../../input.txt"
.align 2
/*********************************/
/* UnInitialized data */
/*********************************/
.bss
sZoneConv: .skip 24
sBuffer: .skip Stat_End
/*********************************/
/* code section */
/*********************************/
.text
.global main
main:
ldr r0,iAdrszFileName @ file name
bl filesize
cmp r0,#0
blt 100f
ldr r1,iAdrsZoneConv
bl conversion10 @ call décimal conversion
mov r0,#4
ldr r1,iAdrszFileName
ldr r2,iAdrszMessResult
ldr r3,iAdrsZoneConv @ insert conversion in message
ldr r4,iAdrszCarriageReturn
push {r4}
bl displayStrings @ display message
add sp,#4 @ 1 parameter on stack
ldr r0,iAdrszFileName1 @ file name
bl filesize
cmp r0,#0
blt 100f
ldr r1,iAdrsZoneConv
bl conversion10 @ call décimal conversion
mov r0,#4
ldr r1,iAdrszFileName1
ldr r2,iAdrszMessResult
ldr r3,iAdrsZoneConv @ insert conversion in message
ldr r4,iAdrszCarriageReturn
push {r4}
bl displayStrings @ display message
add sp,#4 @ 1 parameter on stack
100: @ standard end of the program
mov r0, #0 @ return code
mov r7, #EXIT @ request to exit program
svc #0 @ perform the system call
iAdrszCarriageReturn: .int szCarriageReturn
iAdrsZoneConv: .int sZoneConv
iAdrszMessResult: .int szMessResult
iAdrszFileName: .int szFileName
iAdrszFileName1: .int szFileName1
iAdrsBuffer: .int sBuffer
iAdrszMessErrOpen: .int szMessErrOpen
iAdrszMessErrStat: .int szMessErrStat
/***************************************************/
/* display multi strings */
/***************************************************/
/* r0 contains number strings address */
filesize: @ INFO: filesize
push {r1-r8,fp,lr} @ save des registres
mov r1,#O_RDWR @ flags
mov r2,#0 @ mode
mov r7,#OPEN
svc 0
cmp r0,#0 @ error ?
ble 99f
mov r8,r0 @ Fd save
ldr r1,iAdrsBuffer @ buffer address
mov r7,#NEWFSTAT
svc 0
cmp r0,#0
blt 98f
ldr r0,iAdrsBuffer
ldr r1,iAdrsBuffer @ buffer address
ldr r4,[r1,#Stat_size_t] @ file size
mov r0,r8
mov r7,#CLOSE
mov r0,r4 @ return size
b 100f
98:
ldr r0,iAdrszMessErrStat
bl affichageMess
mov r0,#-1
b 100f
99:
ldr r0,iAdrszMessErrOpen
bl affichageMess
mov r0,#-1
100:
pop {r1-r8,fp,pc}
/***************************************************/
/* display multi strings */
/***************************************************/
/* r0 contains number strings address */
/* r1 address string1 */
/* r2 address string2 */
/* r3 address string3 */
/* other address on the stack */
/* thinck to add number other address * 4 to add to the stack */
displayStrings: @ INFO: displayStrings
push {r1-r4,fp,lr} @ save des registres
add fp,sp,#24 @ save paraméters address (6 registers saved * 4 bytes)
mov r4,r0 @ save strings number
cmp r4,#0 @ 0 string -> end
ble 100f
mov r0,r1 @ string 1
bl affichageMess
cmp r4,#1 @ number > 1
ble 100f
mov r0,r2
bl affichageMess
cmp r4,#2
ble 100f
mov r0,r3
bl affichageMess
cmp r4,#3
ble 100f
mov r3,#3
sub r2,r4,#4
1: @ loop extract address string on stack
ldr r0,[fp,r2,lsl #2]
bl affichageMess
subs r2,#1
bge 1b
100:
pop {r1-r4,fp,pc}
/***************************************************/
/* ROUTINES INCLUDE */
/***************************************************/
.include "../affichage.inc"
</syntaxhighlight>
{{out}}
<pre>
input.txt File size = 8
../../../input.txt File size = 3
</pre>
=={{header|Arturo}}==
<syntaxhighlight lang="rebol">print volume "input.txt"
print volume "/input.txt"</syntaxhighlight>
=={{header|AutoHotkey}}==
<
MsgBox, Size of input.txt is %FileSize% bytes
FileGetSize, FileSize, \input.txt, K ; Retrieve the size in Kbytes.
MsgBox, Size of \input.txt is %FileSize% Kbytes</
=={{header|AWK}}==
{{works with|gawk}}
<
function filesize(name ,fd) {
if ( stat(name, fd) == -1)
Line 235 ⟶ 657:
print filesize("input.txt")
print filesize("/input.txt")
}</
Some awk's don't have direct access to the filesystem, but can execute system-commands like dir (DOS/Windows) and ls
<
# Windows
Line 276 ⟶ 698:
close(command)
return ship
}</
Line 282 ⟶ 704:
=={{header|Axe}}==
<
Disp {I-2}ʳ▶Dec,i
Else
Disp "NOT FOUND",i
End</
=={{header|
==={{header|BaCon}}===
<syntaxhighlight lang="freebasic">' file size
' Return the entire message, FILELEN returns a NUMBER
FUNCTION printlen$(STRING name$)
Line 300 ⟶ 723:
PRINT printlen$("input.txt")
PRINT printlen$("/input.txt")</
{{out}}
Line 315 ⟶ 738:
=={{header|Batch File}}==
Outputs file size of the first parameter (you can drag and drop a file in aswell).
<
@echo off
if not exist "%~1" exit /b 1 & rem If file doesn't exist exit with error code of 1.
for /f %%i in (%~1) do echo %~zi
pause>nul
</syntaxhighlight>
=={{header|BBC BASIC}}==
<
IF file% THEN
PRINT "File size = " ; EXT#file%
Line 333 ⟶ 756:
PRINT "File size = " ; EXT#file%
CLOSE #file%
ENDIF</
=={{header|Bracmat}}==
This solution assumes that the file can be opened for reading. The <code>fil</code> function is the Bracmat interface to the underlying C functions <code>fopen, fclose, fseek, ftell, fread, fgetc, fwrite, fputc</code> and <code>feof</code>. More than one file can be opened at the same time. Focus is shifted from one open file to another by mentioning the file name as the first argument.
<
size
. fil$(!arg,rb) {read in binary mode}
Line 352 ⟶ 775:
getFileSize$"c:\\boot.ini"
211
</syntaxhighlight>
=={{header|C}}==
<
#include <stdio.h>
Line 373 ⟶ 796:
printf("%ld\n", getFileSize("/input.txt"));
return 0;
}</
{{works with|POSIX}}
<
#include <stdio.h>
#include <sys/stat.h>
Line 388 ⟶ 811:
printf("%ld\n", foo.st_size);
return 0;
}</
=={{header|C sharp|C#}}==
<
using System.IO;
Line 403 ⟶ 826:
}
}
</syntaxhighlight>
=={{header|C++}}==
<
#include <fstream>
Line 421 ⟶ 844:
std::cout << getFileSize("/input.txt") << std::endl;
return 0;
}</
'''optimized '''
<
#include <fstream>
Line 431 ⟶ 854:
std::cout << std::ifstream("input.txt", std::ios::binary | std::ios::ate).tellg() << "\n"
<< std::ifstream("/input.txt", std::ios::binary | std::ios::ate).tellg() << "\n";
}</
===C++ 17===
<syntaxhighlight lang="cpp">#include <filesystem>
#include <iostream>
void print_file_size(const char* filename) {
try {
auto size = std::filesystem::file_size(filename);
std::cout << "Size of file " << filename << " is " << size << " bytes.\n";
} catch (const std::exception& ex) {
std::cerr << ex.what() << '\n';
}
}
int main() {
print_file_size("input.txt");
print_file_size("/input.txt");
}</syntaxhighlight>
{{out}}
<pre>
Size of file input.txt is 506 bytes.
filesystem error: in file_size: No such file or directory [/input.txt]
</pre>
=={{header|Clean}}==
There is not function to get the file size, therefore we seek to the end and query the file pointer position.
<
fileSize fileName world
Line 447 ⟶ 894:
= (size, world)
Start world = fileSize "input.txt" world</
=={{header|Clojure}}==
<
(defn show-size [filename]
(println filename "size:" (.length (io/file filename))))
(show-size "input.txt")
(show-size "/input.txt")</
=={{header|COBOL}}==
<syntaxhighlight lang="cobol">
identification division.
program-id. FileInfo.
Line 501 ⟶ 948:
end-if
.
</syntaxhighlight>
=={{header|ColdFusion}}==
<
localFile = getFileInfo(expandpath("input.txt"));
rootFile = getFileInfo("/input.txt");
Line 512 ⟶ 959:
Size of input.txt is #localFile.size# bytes.
Size of /input.txt is #rootFile.size# bytes.
</cfoutput></
=={{header|Common Lisp}}==
<
:direction :input
:if-does-not-exist nil)
Line 523 ⟶ 970:
:direction :input
:if-does-not-exist nil)
(print (if stream (file-length stream) 0)))</
(osicat-posix:stat-size (osicat-posix:stat #P"input.txt"))
=={{header|D}}==
<
std.mmfile;
Line 549 ⟶ 996:
e.msg.writefln;
}
}</
{{out}}
<pre>File 'file_size.exe' has size:
Line 557 ⟶ 1,004:
=={{header|Delphi}}==
<
{$APPTYPE CONSOLE}
Line 577 ⟶ 1,024:
Writeln('input.txt ', CheckFileSize('input.txt'));
Writeln('\input.txt ', CheckFileSize('\input.txt'));
end.</
=={{header|E}}==
<
println(`The size of $file is ${file.length()} bytes.`)
}</
=={{header|Eiffel}}==
<
class
APPLICATION
Line 609 ⟶ 1,056:
environment:EXECUTION_ENVIRONMENT
end
</syntaxhighlight>
=={{header|Elena}}==
ELENA 4.x :
<
import extensions;
Line 621 ⟶ 1,068:
console.printLine(File.assign("\input.txt").Length)
}</
=={{header|Elixir}}==
<
IO.puts File.stat!("/input.txt").size</
=={{header|Emacs Lisp}}==
Line 631 ⟶ 1,078:
<code>file-attributes</code> returns <code>nil</code> in that case.
<
(nth 7 (file-attributes "input.txt"))
(nth 7 (file-attributes "/input.txt")))</
=={{header|Erlang}}==
<
-export([file_size/0]).
Line 653 ⟶ 1,100:
io:format("~s could not be opened~n",[Filename])
end.
</syntaxhighlight>
=={{header|Euphoria}}==
<
function file_size(sequence file_name)
Line 679 ⟶ 1,126:
test("input.txt") -- in the current working directory
test("/input.txt") -- in the file system root</
=={{header|F_Sharp|F#}}==
<
open FsUnit
Line 690 ⟶ 1,137:
let local = System.IO.FileInfo(__SOURCE_DIRECTORY__ + "\input.txt")
let root = System.IO.FileInfo(System.IO.Directory.GetDirectoryRoot(__SOURCE_DIRECTORY__) + "input.txt")
local.Length = root.Length |> should be True</
=={{header|Factor}}==
<
1321
"file-does-not-exist.txt" file-info size>>
"Unix system call ``stat'' failed:"...</
=={{header|FBSL}}==
FileLen returns -1 if the file is not found. FileLen will also accept a file handle and give the file length of the open file.
<
print FileLen("sync.log")
print FileLen("\sync.log")
PAUSE
</syntaxhighlight>
=={{header|Forth}}==
<
r/o open-file throw
dup file-size throw <# #s #> type ." bytes long." cr
Line 715 ⟶ 1,162:
s" input.txt" .filesize
s" /input.txt" .filesize</
=={{header|Fortran}}==
Line 721 ⟶ 1,168:
Since Fortran 95 the size of standard external files may be determined simply by using INQUIRE(SIZE=...).
The following previous example pertains to FORTRAN 77 and is now superceded.
<syntaxhighlight lang="fortran">
use :: iso_fortran_env, only : FILE_STORAGE_SIZE
Line 732 ⟶ 1,179:
enddo
end
</
The original example, now obsolete ...
Line 744 ⟶ 1,191:
But if one wrote Fortran on a B6700 system, its F77 compiler offered additional attributes that could be returned via an INQUIRE statement: MAXRECSIZE really was the length of the longest record in the disc file (whether fixed record lengths or variable record lengths), BLOCKSIZE reported the number of records per block of disc space, AREASIZE the size of a disc space allocation area, and AREAS their number, while KIND reveals the code number of the type of file (not via a .txt suffix or whatever). Armed with these values, the file size could be determined in bits, bytes, words (six characters/word), records, blocks and areas.
These facilities were not carried forward into standardised Fortran 90, etc. So, one is stuck with devising a routine that reads all the records of a disc file, counting their length. This is straightforward, but tedious, as in the following fragment:<
21 FORMAT(Q) !This obviously indicates the record's length.
NRECS = NRECS + 1 !CALL LONGCOUNT(NRECS,1) !C O U N T A R E C O R D.
Line 755 ⟶ 1,202:
RMAXR = NRECS !Where it's at.
END IF !So much for the lengths.
GO TO 20 !All I wanted to know...</
The LONGCOUNT routine uses two 32-bit integers (the first parameter being a two-element array) to deliver a much larger capacity, given modern file size opportunities, but this is unnecessary if INTEGER*8 variables are available. The count will not include any contribution from record splitters such as CR, etc. A file more properly thought of as containing binary data (say, integer or floating-point values) will by chance have a CR or LF bit pattern here and there, and they will be taken as marking record splits when reading a file as being FORMATTED, which is the default setting.
=={{header|FreeBASIC}}==
<
#include "file.bi"
Print FileLen("input.txt"), FileLen(Environ("SystemRoot") + "\input.txt")
Sleep</
=={{header|Frink}}==
<syntaxhighlight lang="frink">println[newJava["java.io.File", "input.txt"].length[]]
println[newJava["java.io.File", "/input.txt"].length[]]</syntaxhighlight>
=={{header|FutureBasic}}==
<syntaxhighlight lang="futurebasic">
local fn DoIt
CFURLRef desktopURL = fn FileManagerURLForDirectory( NSDesktopDirectory, NSUserDomainMask )
CFURLRef url = fn URLByAppendingPathComponent( desktopURL, @"test_file.txt" )
CFDictionaryRef attributes = fn FileManagerAttributesOfItemAtURL( url )
printf @"%@", fn DictionaryObjectForKey( attributes, NSFileSize )
end fn
fn DoIt
HandleEvents
</syntaxhighlight>
=={{header|Gambas}}==
<
Dim stInfo As Stat = Stat(User.home &/ "input.txt")
Dim stInfo1 As Stat = Stat("/input.txt")
Line 774 ⟶ 1,239:
Print "/input.txt = " & stInfo1.Size & " bytes"
End</
Output:
<pre>
Line 782 ⟶ 1,247:
=={{header|Go}}==
<
import "fmt"
Line 798 ⟶ 1,263:
printFileSize("input.txt")
printFileSize("/input.txt")
}</
=={{header|Groovy}}==
<
println new File('/index.txt').length();</
=={{header|Haskell}}==
<
printFileSize filename = withFile filename ReadMode hFileSize >>= print
main = mapM_ printFileSize ["input.txt", "/input.txt"]</
or
<
printFileSize filename = do stat <- getFileStatus filename
print (fileSize stat)
main = mapM_ printFileSize ["input.txt", "/input.txt"]</
=={{header|HicEst}}==
<
READ(FILE="C:\input.txt", LENgth=bytes) ! bytes = -1 if not existent </
=={{header|Icon}} and {{header|Unicon}}==
Icon doesn't support 'stat'; however, information can be obtained by use of the system function to access command line.
<
write("Size of ",f := dir || "input.txt"," = ",stat(f).size) |stop("failure for to stat ",f)
}</
Note: Icon and Unicon accept both / and \ for directory separators.
=={{header|J}}==
<
fsize 'input.txt';'/input.txt'</
=={{header|
<syntaxhighlight lang="jakt">
fn file_size(filename: String) throws -> i64 {
mut result = 0
mut file = File::open_for_reading(filename)
mut buffer = [0u8; 1024] // Size of buffer is arbitrary
while true {
let read_bytes = file.read(buffer)
if read_bytes == 0 {
break
}
result += read_bytes as! i64
}
return result
}
fn main() {
println("{}", file_size(filename: "input.txt"))
println("{}", file_size(filename: "/input.txt"))
}
</syntaxhighlight>
=={{header|Java}}==
<syntaxhighlight lang="java">
import java.io.File;
</syntaxhighlight>
<syntaxhighlight lang="java">
public static void main(String[] args) {
File fileA = new File("file.txt");
System.out.printf("%,d B%n", fileA.length());
File fileB = new File("/file.txt");
System.out.printf("%,d B%n", fileB.length());
}
</syntaxhighlight>
<pre>
108 B
108 B
</pre>
=={{header|JavaScript}}==
{{works with|JScript}}
<
fso.GetFile('input.txt').Size;
fso.GetFile('c:/input.txt').Size;</
The following works in all browsers, including IE10.
<
if (file) {
var reader = new FileReader();
Line 867 ⟶ 1,359:
function errorHandler(event) {
alert(event);
}</
=={{header|
<syntaxhighlight lang="joy">DEFINE filesize == "r" fopen 0 2 fseek pop ftell swap fclose.
"/input.txt" filesize.</syntaxhighlight>
=={{header|jq}}==
<syntaxhighlight lang="sh">jq -Rs length input.txt
jq -Rs length /input.txt</syntaxhighlight>
The -R option causes the file to be read as text, and the -s option causes it to be read as a single string.
=={{header|Julia}}==
<
println(filesize("/input.txt"))</
=={{header|K}}==
<
_size "/input.txt"</
=={{header|Kotlin}}==
<
import java.io.File
Line 893 ⟶ 1,390:
for (path in paths)
println("Length of $path is ${File(path).length()} bytes")
}</
=={{header|Lang}}==
{{libheader|lang-io-module}}
<syntaxhighlight lang="lang">
# Load the IO module
# Replace "<pathToIO.lm>" with the location where the io.lm Lang module was installed to without "<" and ">"
ln.loadModule(<pathToIO.lm>)
$file1 = [[io]]::fp.openFile(input.txt)
fn.println([[io]]::fp.getSize($file1))
[[io]]::fp.closeFile($file1) # Remember to close files
$file2 = [[io]]::fp.openFile(/input.txt)
fn.println([[io]]::fp.getSize($file2))
[[io]]::fp.closeFile($file2)
</syntaxhighlight>
=={{header|Lasso}}==
<
local(f = file('input.txt'))
handle => { #f->close }
Line 905 ⟶ 1,418:
handle => { #f->close }
#f->size
</syntaxhighlight>
=={{header|Liberty BASIC}}==
<
OPEN DefaultDir$ + "/input.txt" FOR input AS #m
PRINT "File size: "; lof(#m)
Line 916 ⟶ 1,429:
OPEN "c:/input.txt" FOR input AS #m
PRINT "File size: "; lof(#m)
CLOSE #m</
=={{header|Lingo}}==
<
-- Returns file size
-- @param {string} filename
Line 931 ⟶ 1,444:
fp.closeFile()
return len
end</
=={{header|LiveCode}}==
<
set the defaultfolder to "/"
repeat for each line fline in (the detailed files)
Line 953 ⟶ 1,466:
exit repeat
end if
end repeat</
=={{header|Lua}}==
<
local fp = io.open( filename )
if fp == nil then
Line 964 ⟶ 1,477:
fp:close()
return filesize
end</
=={{header|M2000 Interpreter}}==
Version 12 can convert numbers to string if a string exist in expression. Functions or arithmetic expressions must be in parenthesis (see filelen()). Older versions has to use ; (for print only):
<syntaxhighlight lang="m2000 interpreter">
print filename+" has size ";filelen(filename);" bytes"
</syntaxhighlight>
<syntaxhighlight lang="m2000 interpreter">
Module ShowFileSize(filename as string) {
if exist(filename) then
print filename+" has size "+(filelen(filename))+" bytes"
else
print filename+ " not exist"
end if
}
ShowFileSize "checkthis.txt"
ShowFileSize "c:\ok.txt"
</syntaxhighlight>
=={{header|Maple}}==
<
<
=={{header|Mathematica}} / {{header|Wolfram Language}}==
<syntaxhighlight lang="mathematica">
FileByteCount["input.txt"]
FileByteCount[FileNameJoin[{$RootDirectory, "input.txt"}]]</
=={{header|MATLAB}} / {{header|Octave}}==
<
d2 = dir('/input.txt');
fprintf('Size of input.txt is %d bytes\n', d1.bytes)
fprintf('Size of /input.txt is %d bytes\n', d2.bytes)</
=={{header|MAXScript}}==
<
getFileSize "index.txt"
getFileSize "\index.txt"</
=={{header|Mirah}}==
<
puts File.new('file-size.mirah').length()
puts File.new("./#{File.separator}file-size.mirah").length()</
=={{header|mIRC Scripting Language}}==
<
echo -ag $file(C:\input.txt).size bytes</
=={{header|Modula-3}}==
<
IMPORT IO, Fmt, FS, File, OSError;
Line 1,012 ⟶ 1,543:
| OSError.E => IO.Put("ERROR: Could not get file status.\n");
END;
END FSize.</
=={{header|Nanoquery}}==
<
println new(File, "input.txt").length()
println new(File, "/input.txt").length()</
=={{header|NetRexx}}==
<
options replace format comments java symbols binary
Line 1,053 ⟶ 1,584:
end
return</
{{out}}
<pre>
Line 1,070 ⟶ 1,601:
=={{header|NewLISP}}==
<
(println (first (file-info "/input.txt")))</
=={{header|Nim}}==
<
echo getFileSize "input.txt"
echo getFileSize "/input.txt"</
=={{header|Objeck}}==
<
use IO;
...
File("input.txt")->Size()->PrintLine();
File("c:\input.txt")->Size()->PrintLine();
</syntaxhighlight>
=={{header|Objective-C}}==
<
// Pre-OS X 10.5
Line 1,094 ⟶ 1,625:
// OS X 10.5+
NSLog(@"%llu", [[fm attributesOfItemAtPath:@"input.txt" error:NULL] fileSize]);</
=={{header|OCaml}}==
<
let ic = open_in filename in
Printf.printf "%d\n" (in_channel_length ic);
Line 1,104 ⟶ 1,635:
printFileSize "input.txt" ;;
printFileSize "/input.txt" ;;</
For files greater than
<
let ic = open_in filename in
Printf.printf "%Ld\n" (LargeFile.in_channel_length ic);
close_in ic ;;</
Alternatively:
<
open Unix ;;
Printf.printf "%d\n" (stat "input.txt").st_size ;;
Printf.printf "%d\n" (stat "/input.txt").st_size ;;</
The module Unix has also a [
=={{header|Oforth}}==
<
File new("/input.txt") size println</
=={{header|ooRexx}}==
<
Say v
fid='test.txt'
Line 1,138 ⟶ 1,669:
Say length(s)
Say 'file' fid
'type' fid</
{{out}}
<pre>J:\>rexx sft
Line 1,152 ⟶ 1,683:
=={{header|Oz}}==
<
[Path] = {Module.link ['x-oz://system/os/Path.ozf']}
in
{Show {Path.size "input.txt"}}
{Show {Path.size "/input.txt"}}</
=={{header|Pascal}}==
Line 1,163 ⟶ 1,694:
=={{header|Perl}}==
<
my $size2 = -s '/input.txt';</
Or, to be 100% cross-platform:
<
my $size1 = -s 'input.txt';
my $size2 = -s catfile rootdir, 'input.txt';</
Alternative way to get the size:
<
my $size2 = (stat '/input.txt')[7];</
=={{header|Phix}}==
{{libheader|Phix/basics}}
<!--<
<span style="color: #008080;">function</span> <span style="color: #000000;">file_size<span style="color: #0000FF;">(<span style="color: #004080;">sequence</span> <span style="color: #000000;">file_name<span style="color: #0000FF;">)</span>
<span style="color: #004080;">object</span> <span style="color: #000000;">d</span> <span style="color: #0000FF;">=</span> <span style="color: #7060A8;">dir<span style="color: #0000FF;">(<span style="color: #000000;">file_name<span style="color: #0000FF;">)</span>
Line 1,195 ⟶ 1,726:
<span style="color: #000000;">test<span style="color: #0000FF;">(<span style="color: #008000;">"input.txt"<span style="color: #0000FF;">)</span> <span style="color: #000080;font-style:italic;">-- in the current working directory</span>
<span style="color: #000000;">test<span style="color: #0000FF;">(<span style="color: #008000;">"/input.txt"<span style="color: #0000FF;">)</span> <span style="color: #000080;font-style:italic;">-- in the file system root
<!--</
=={{header|PHP}}==
<
echo filesize('input.txt'), "\n";
echo filesize('/input.txt'), "\n";
?></
=={{header|PicoLisp}}==
<
(println (car (info "/input.txt")))</
=={{header|Pike}}==
<
int main(){
write(file_size("input.txt") + "\n");
write(file_size("/input.txt") + "\n");
}</
=={{header|PL/I}}==
<syntaxhighlight lang="pl/i">
/* To obtain file size of files in root as well as from current directory. */
Line 1,243 ⟶ 1,774:
put skip list ('local file size=' || trim(i));
end test;
</syntaxhighlight>
<pre>
I used differently-named files to prove that local and root directory
Line 1,252 ⟶ 1,783:
=={{header|Pop11}}==
<
sysfilesize('input.txt') =>
sysfilesize('/input.txt') =></
=={{header|PostScript}}==
<code>status</code> returns status information about a file if given a file name. This includes the size in pages (implementation-dependent), the size in bytes, creation and modification time and a final <code>true</code>. The values not needed here are simply <code>pop</code>ed off the stack.
<
(input.txt) status pop pop pop = pop
(/input.txt ) print
(/input.txt) status pop pop pop = pop</
=={{header|PowerShell}}==
<
Get-ChildItem \input.txt | Select-Object Name,Length</
=={{header|PureBasic}}==
<
Debug FileSize("/input.txt")</
=={{header|Python}}==
<
size = os.path.getsize('input.txt')
size = os.path.getsize('/input.txt')</
=={{header|R}}==
Line 1,283 ⟶ 1,814:
R has a function file.info() in the base package that performs this function. Note that regardless of the OS, R uses forward slashes for the directories.
<
sizeinroot <- file.info('/input.txt')[["size"]]</
=={{header|Racket}}==
<
(file-size "input.txt")
(file-size "/input.txt")</
=={{header|Raku}}==
(formerly Perl 6)
{{works with|Rakudo|2015.12}}
<syntaxhighlight lang="raku"
say '/input.txt'.IO.s;</
Cross-platform version of the second one:
<syntaxhighlight lang="raku"
=={{header|RapidQ}}==
Line 1,305 ⟶ 1,836:
Method 1: display file size using file streams
<
DIM file AS QFileStream
Line 1,316 ⟶ 1,847:
PRINT "Size of input.txt is "; fileSize("input.txt")
PRINT "Size of \input.txt is "; fileSize("\input.txt")</
Method 2: using DIR$
<
PRINT "Size of input.txt is "; FileRec.Size
FileName$ = DIR$("\input.txt", 0)
PRINT "Size of \input.txt is "; FileRec.Size</
=={{header|Raven}}==
<
'/input.txt' status.size</
=={{header|REBOL}}==
<
size? %/info.txt
size? ftp://username:password@ftp.site.com/info.txt
size? http://rosettacode.org</
=={{header|Red}}==
<
== 39244
>> size? %/c/input.txt
== 39244</
=={{header|Retro}}==
The simple way is to open and read the size. This may crash if the file does not exist.
<
"input.txt" :R open &size sip close drop putn
"/input.txt" :R open &size sip close drop putn</
For added stability, check that the returned file handle is not zero:
<
"input.txt" :R open over 0 <> [ &size sip close drop ] ifTrue</
Or, if you need to do this more often, setup a function that'll also display an error message if the file does not exist:
<
: getFileSize ( $-n )
:R open 0 over =
Line 1,362 ⟶ 1,893:
"input.txt" getFileSize putn
"/input.txt" getFileSize putn</
=={{header|REXX}}==
Line 1,372 ⟶ 1,903:
Note that some operating systems don't have a concept of a ''current directory'' or a ''file system root''.
<
parse arg iFID . /*allow the user specify the file ID. */
if iFID=='' | iFID=="," then iFID='input.txt' /*Not specified? Then use the default.*/
Line 1,381 ⟶ 1,912:
fSize: parse arg f; $=0; do while chars(f)\==0; $ = $ + length( charin( f, , 1e4) )
end /*while*/; call lineout f /*close file.*/
return $</
{{out|output|text= when using the default input:}}
<pre>
Line 1,389 ⟶ 1,920:
===MS DOS version 2===
<
parse arg iFID . /*let user specify the file ID. */
if iFID=='' then iFID="FILESIZ.DAT" /*Not specified? Then use default*/
Line 1,404 ⟶ 1,935:
sz=sz+length(linein(f))
End
return sz</
{{out}}
<pre>size of FILESIZ.DAT:
Line 1,413 ⟶ 1,944:
Note that CMS hasn't a concept of a ''root''.
<br>Also note that the CMS system doesn't normally support the use of periods ('''.'''); it uses blanks instead.
<
parse arg iFID /*allow the user specify the file ID. */
if iFID=='' | iFID=="," then iFID= 'INPUT TXT' /*Not specified? Then use the default.*/
Line 1,421 ⟶ 1,952:
fSize: parse arg f; $= 0; do while lines(f)\==0; $= $ + length( linein(f) )
end /*while*/
return $</
=={{header|Ring}}==
<
see len(read('/input.txt')) + nl</
=={{header|Ruby}}==
<
size = File.size('/input.txt')</
=={{header|Run BASIC}}==
<
print fileSize("","input.txt") ' root directory
Line 1,439 ⟶ 1,970:
fileSize = lof(#f) ' Length Of File
close #f
end function</
=={{header|Rust}}==
<
use std::io::{self, Write};
use std::fmt::Display;
Line 1,459 ⟶ 1,990:
}
}</
=={{header|S-BASIC}}==
The CP/M operating system -- S-BASIC's native environment --
reports file size as the number of 128-byte records. CP/M also
has no notion of a "root" directory, user area 0 on drive A (the
default on boot-up) being the closest analog. Although S-BASIC has a
built-in SIZE function, it returns the number of blocks
(allocation groups) occupied by the file -- which
varies with the disk format -- and even then
gives the wrong answer if a directory entry controls more than
one 16K logical extent.
<syntaxhighlight = "BASIC">
rem Set the logged drive ('A' to 'P')
procedure setdrive (drive = char)
var hl, de, bc, a_psw = integer
rem -- make sure drive letter is upper case!
if drive >= 'a' then drive = drive - 32
hl = 0
de = drive - 65
bc = 0EH
a_psw = 0
call (5H,hl,de,bc,a_psw)
end
rem Set the CP/M user area (0 to 15)
procedure setuser (user = integer)
var hl, bc, a_psw = integer
hl = 0
bc = 20H
a_psw = 0
call (5H,hl,user,bc,a_psw)
end
comment
Return size of named file as number of 128-byte records;
assumes file name is upper case. If the file does not
exist, the size will be reported as 0.
end
function fsize(filename = string:20) = integer
var hl, de, bc, a_psw, p = integer
based fname = string:20
based sz = integer
dim byte workfcb(36)
location array de = workfcb
base fname at de
base sz at de + 33
fname = fcb$(filename)
rem See if drive was specified and set FCB accordingly
p = instr(1,filename,":")
if p = 0 then
workfcb(0) = 0
else
workfcb(0) = asc(mid(filename,p-1,1)) - 64
bc = 23H rem BDOS filesize function
call (5,hl,de,bc,a_psw) rem result stored in sz
end = sz
rem Exercise the function
var filename = string:20
filename = "INPUT.TXT"
rem First check current drive and user
print filename;" occupies";fsize(filename)*128;" bytes"
rem Then check startup directory (A0:)
setdrive 'A'
setuser 0
print "A0:INPUT.TXT occupies";fsize(filename)*128;" bytes"
end
</syntaxhighlight>
{{out}}
Although both instances of INPUT.TXT consist of a single line
("The quick brown fox jumps over the lazy red dog") they will
each be reported as occupying a 128-byte record.
<pre>
INPUT.TXT occupies 128 bytes
A0:INPUT.TXT occupies 128 bytes
</pre>
=={{header|Scala}}==
{{libheader|Scala}}
<
object FileSize extends App {
Line 1,470 ⟶ 2,080:
println(s"$name : ${new File(name).length()} bytes")
println(s"/$name : ${new File(s"${File.separator}$name").length()} bytes")
}</
=={{header|Scheme}}==
<
(define (file-size filename)
(call-with-input-file filename (lambda (port)
Line 1,484 ⟶ 2,094:
(file-size "input.txt")
(file-size "/input.txt")
</syntaxhighlight>
=={{header|Seed7}}==
<
const proc: main is func
Line 1,493 ⟶ 2,103:
writeln(fileSize("input.txt"));
writeln(fileSize("/input.txt"));
end func;</
=={{header|Sidef}}==
<
say (Dir.root + %f'input.txt' -> size);</
=={{header|Slate}}==
<
(File newNamed: '/input.txt') fileInfo fileSize.</
=={{header|Smalltalk}}==
{{works with|GNU Smalltalk}}
<
(File name: '/input.txt') size printNl.</
{{works with|Smalltalk/X}}
{{works with|VisualWorks Smalltalk}}
<
'/input.txt' asFilename fileSize</
=={{header|Standard ML}}==
<
val size = OS.FileSys.fileSize "/input.txt" ;</
=={{header|Stata}}==
Line 1,521 ⟶ 2,131:
To get the size in byte of an arbitrary file, use [http://www.stata.com/help.cgi?file file seek]. Just replace input.txt with \input.txt if the file resides in the root directory of the current disk.
<
file seek f eof
file seek f query
display r(loc)
file close f</
However, what is usually interesting is the size of a datatset. Use [http://www.stata.com/help.cgi?describe describe], either on the currently loaded dataset, or on a dataset on disk. The describe command will print the file size, but it's possible to use [http://www.stata.com/help.cgi?stored_results stored results] as well.
<
display r(N)*r(width)</
=={{header|Tcl}}==
<
file size /input.txt</
=={{header|Toka}}==
A trivial method follows:
<
" /input.txt" "R" file.open dup file.size . file.close</
A better method would be to define a new function that actually
checks whether the file exists:
<
dup 0 <> [ dup file.size . file.close ] ifTrue
drop
Line 1,551 ⟶ 2,161:
" input.txt" display-size
" /input.txt" display-size</
=={{header|TorqueScript}}==
Line 1,559 ⟶ 2,169:
TGE Version (Works with all versions containing the basic file i/o):
{{works with|TGE}}
<
%File.openForRead("input.txt");
Line 1,568 ⟶ 2,178:
%File.close();
%File.delete();</
<br />
T3D Version (Only works with T3D):
{{works with|T3D}}
<
=={{header|TUSCRIPT}}==
<
$$ MODE TUSCRIPT
-- size of file input.txt
Line 1,587 ⟶ 2,197:
file_size=BYTES (file)
ERROR/STOP CLOSE (file)
</syntaxhighlight>
=={{header|UNIX Shell}}==
Line 1,595 ⟶ 2,205:
''ls'' most likely gets the length from the file's inode.
<
size2=$(ls -l /input.txt | tr -s ' ' | cut -d ' ' -f 5)</
''ls -l'' reports the size in 5th field, with spaces between fields.
Line 1,602 ⟶ 2,212:
and ''cut'' extracts 5th field.
<
echo "# ls:"
ls -la input.txt
Line 1,613 ⟶ 2,223:
size2=$(wc -c < input.txt | tr -d ' ')
echo $size1, $size2
</syntaxhighlight>
{{Out}} Test run at compileonline.com:
<pre>
Line 1,633 ⟶ 2,243:
''wc'' may actually read the whole file and count the bytes. Some implementations, like [http://git.savannah.gnu.org/cgit/coreutils.git/tree/src/wc.c wc.c] from GNU coreutils, can optimize ''wc -c'' by getting the length from the file's inode.
<
size2=$(wc -c < /input.txt | tr -d ' ')</
The peculiar use of ''wc -c < file'', not ''wc -c file'', is to prevent printing the file's name. Then ''wc'' only reports the size. Some versions of ''wc'' print spaces before the number; ''tr'' deletes all these spaces.
Line 1,645 ⟶ 2,255:
{{works with|OpenBSD|3.8}}
<
size2=$(stat -f %z /input.txt)</
===Z Shell===
{{works with|zsh}}
<
zmodload -F zsh/stat b:zstat
size1=$(zstat +size input.txt)
size2=$(zstat +size /input.txt)</
===Sh builtins only===
Tested on Alpine Busybox v1.35.0, passes shellcheck 0.8.0.
<syntaxhighlight lang="sh">
#!/bin/sh
unset PATH # No cheating!
countbytes(){
size=0
# Read the lines in the file
while read -r;do
size=$((size+${#REPLY}+1)) # +1 to account for the newline
done < "$1"
size=$((size+${#REPLY})) # Account for partial lines
echo "$size $1"
}
countbytes input.txt
countbytes /input.txt
</syntaxhighlight>
=={{header|Ursa}}==
<
f.open "input.txt"
Line 1,666 ⟶ 2,300:
f.open "/input.txt"
out (size f) endl console
f.close</
=={{header|VBScript}}==
{{works with|Windows Script Host|*}}
<syntaxhighlight lang="vbscript">
With CreateObject("Scripting.FileSystemObject")
WScript.Echo .GetFile("input.txt").Size
WScript.Echo .GetFile("\input.txt").Size
End With
</syntaxhighlight>
=={{header|Vedit macro language}}==
<
Num_Type(File_Size("/input.txt"))</
=={{header|Visual Basic}}==
{{works with|Visual Basic|6}}
<
----
Line 1,708 ⟶ 2,342:
DisplayFileSize Environ$("SystemRoot"), "input.txt"
End Sub
</syntaxhighlight>
{{out}}
<pre>file size: 37 Bytes
Line 1,719 ⟶ 2,353:
{{works with|Visual Basic .NET|9.0+}}
<
Console.WriteLine(local.Length)
Dim root As New IO.FileInfo("\input.txt")
Console.WriteLine(root.Length)</
=={{header|V (Vlang)}}==
<syntaxhighlight lang="Go">
import os
fn main() {
paths := ["input.txt", "./input.txt", "non_existing_file.txt"]
for path in paths {
if os.is_file(path) == true {println("The size of '${path}' is ${os.file_size(path)} bytes")}
else {println("Not found: ${path}")}
}
}
</syntaxhighlight>
{{out}}
<pre>
The size of 'input.txt' is 22 bytes
The size of './input.txt' is 22 bytes
Not found: non_existing_file.txt
</pre>
=={{header|Wren}}==
Line 1,729 ⟶ 2,383:
To check the size of a file in the root, just change "input.txt" to "/input.txt" in the following script.
<
var name = "input.txt"
System.print("'%(name)' has a a size of %(File.size(name)) bytes")</
{{out}}
Line 1,740 ⟶ 2,394:
=={{header|X86 Assembly}}==
<
; x86_64 linux nasm
Line 1,809 ⟶ 2,463:
mov rdi, 1
syscall
</syntaxhighlight>
=={{header|XPL0}}==
<syntaxhighlight lang="xpl0">proc ShowSize(FileName);
char FileName; int Size, C;
[Trap(false); \disable abort on error
FSet(FOpen(FileName, 0), ^i);
Size:= 0;
repeat C:= ChIn(3); \reads 2 EOFs before
Size:= Size+1; \ read beyond end-of-file
until GetErr; \ is detected
IntOut(0, Size-2);
CrLf(0);
];
[ShowSize("input.txt");
ShowSize("/input.txt"); \root under Linux
]</syntaxhighlight>
=={{header|zkl}}==
<
File.info("/input.txt").println();</
-->T(size,creation time,last mod time,isDir,mode), from stat(2)
{{out}}
Line 1,823 ⟶ 2,494:
{{omit from|Befunge}} <!-- No filesystem support -->
{{omit from|EasyLang}}
{{omit from|HTML}}
{{omit from|PARI/GP}}
|