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URI::Heuristic(3) User Contributed Perl Documentation URI::Heuristic(3)
uf_uristr - Expand URI using heuristics
use URI::Heuristic qw(uf_uristr);
$u = uf_uristr("perl"); # http://www.perl.com
$u = uf_uristr("www.sol.no/sol"); # http://www.sol.no/sol
$u = uf_uristr("aas"); # http://www.aas.no
$u = uf_uristr("ftp.funet.fi"); # ftp://ftp.funet.fi
$u = uf_uristr("/etc/passwd"); # file:/etc/passwd
This module provides functions that expand strings into real absolute URIs using some
builtin heuristics. Strings that already represent absolute URIs (i.e. start with a
"scheme:" part) are never modified and are returned unchanged. The main use of these
functions are to allow abbreviated URIs similar to what many web browsers allow for URIs
typed in by the user.
The following functions are provided:
The uf_uristr() function will try to make the string passed as argument into a proper
absolute URI string. The "uf_" prefix stands for "User Friendly". Under MacOS, it
assumes that any string with a common URL scheme (http, ftp, etc.) is a URL rather
than a local path. So don't name your volumes after common URL schemes and expect
uf_uristr() to construct valid file: URL's on those volumes for you, because it won't.
This functions work the same way as uf_uristr() but it will return a "URI" object.
If the hostname portion of a URI does not contain any dots, then certain qualified guesses
will be made. These guesses are governed be the following two environment variables.
COUNTRY This is the two letter country code (ISO 3166) for your location. If the domain
name of your host ends with two letters, then it is taken to be the default
country. See also Locale::Country.
Contain a space separated list of URL patterns to try. The string "ACME" is for
some reason used as a placeholder for the host name in the URL provided. Exam-
URL_GUESS_PATTERN="www.ACME.no www.ACME.se www.ACME.com"
Specifying URL_GUESS_PATTERN disables any guessing rules based on country. An
empty URL_GUESS_PATTERN disables any guessing that involves host name lookups.
Copyright 1997-1998, Gisle Aas
This library is free software; you can redistribute it and/or modify it under the same
terms as Perl itself.
perl v5.8.0 2002-01-16 URI::Heuristic(3)
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