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URI::Heuristic(3)	       User Contributed Perl Documentation		URI::Heuristic(3)

       URI::Heuristic - 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
       built-in heuristics.  Strings that already represent absolute URIs (i.e. that start with a
       "scheme:" part) are never modified and are returned unchanged.  The main use of these
       functions is to allow abbreviated URIs similar to what many web browsers allow for URIs
       typed in by the user.

       The following functions are provided:

	   Tries to make the argument string 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.

	   Works the same way as uf_uristr() but returns a "URI" object.

       If the hostname portion of a URI does not contain any dots, then certain qualified guesses
       are made.  These guesses are governed by the following environment variables:

       COUNTRY	 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.

		 If COUNTRY is not set, these standard environment variables are examined and
		 country (not language) information possibly found in them is used as the default

		 Contains 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.

		  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 v5.16.3				    2012-02-11				URI::Heuristic(3)
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