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Rosetta Code/Count examples: Difference between revisions
→Icon and Unicon
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Total: 9156</lang>
==Icon and {{header|Unicon}}==
The following code uses features exclusive to Unicon.
<lang Unicon>$define RCINDEX "http://rosettacode.org/mw/api.php?format=xml&action=query&list=categorymembers&cmtitle=Category:Programming_Tasks&cmlimit=500"
$define RCTASK "http://rosettacode.org/mw/index.php?action=raw&title="
$define RCUA "User-Agent: Unicon Rosetta 0.1"
$define RCXUA "X-Unicon: http://unicon.org/"
$define TASKTOT "* Total Tasks *"
$define TOTTOT "* Total Headers*"
link strings
link hexcvt
procedure main(A) # simple single threaded read all at once implementation
index := ReadURL(RCINDEX) # 1. read the index
pages := []
index ? while tab(find("<cm ") & find(s :="title=\"")+*s) do
put(pages,tab(find("\""))) # 2. extract the pages
Tasks := table(0)
every p := !pages do { # 3. process each page
if p << A[1] then next # for tests on small #s
page := ReadURL(url := RCTASK||CleanURI(p))
Tasks[TASKTOT] +:= 1 # . count pages (tasks)
every find("=={{header|",page) do { # . count headers
Tasks[p] +:= 1
Tasks[TOTTOT] +:= 1
}
}
every insert(O := set(),key(Tasks)) # 4. extract & sort keys
O := put(sort(O--set(TOTTOT,TASKTOT)),TASKTOT,TOTTOT) # move totals at the end
every write(k := !O, " : ", Tasks[k]," examples.") # 5. report
end
procedure CleanURI(u) #: clean up a URI
static tr,dxml # xml & http translation
initial {
tr := table()
every c := !string(~(&digits++&letters++'-_.!~*()/\'')) do
tr[c] := "%"||hexstring(ord(c),2)
every /tr[c := !string(&cset)] := c
tr[" "] := "_" # wiki convention
every push(dxml := [],"&#"||right(ord(c := !"&<>'\""),3,"0")||";",c)
}
dxml[1] := u # insert URI as 1st arg
u := replacem!dxml # de-xml it
every (c := "") ||:= tr[!u] # reencode everything
return c
end
procedure ReadURL(url) #: read URL into string
write(&errout,"Opening ",image(url))
page := open(url,"m",RCUA,RCXUA) | stop("Unable to open ",url)
text := ""
if page["Status-Code"] < 300 then
while text ||:= reads(page,-1)
else
stop(page["Status-Code"]," ",page["Reason-Phrase"])
close(page)
return text
end</lang>
{{libheader|Icon Programming Library}}
[http://www.cs.arizona.edu/icon/library/src/procs/strings.icn strings provides replacem]
[http://www.cs.arizona.edu/icon/library/src/procs/strings.icn hexcvt provides hexstring]
Sample Output (May 26, 2011):<pre>100 doors : 111 examples.
24 game : 36 examples.
24 game/Solve : 20 examples.
99 Bottles of Beer : 133 examples.
A+B : 87 examples.
Abstract type : 38 examples.
Accumulator factory : 50 examples.
Ackermann function : 102 examples.
...
Y combinator : 40 examples.
Yahoo! search interface : 10 examples.
Yin and yang : 18 examples.
Zig-zag matrix : 50 examples.
* Total Tasks * : 498 examples.
* Total Headers* : 18079 examples.</pre>
=={{header|J}}==
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