Env(3)									Env(3)

NAME    [Toc]    [Back]

     Env - perl	module that imports environment	variables

SYNOPSIS    [Toc]    [Back]

	 use Env;
	 use Env qw(PATH HOME TERM);

DESCRIPTION    [Toc]    [Back]

     Perl maintains environment	variables in a pseudo-hash named %ENV.	For
     when this access method is	inconvenient, the Perl module Env allows
     environment variables to be treated as simple variables.

     The Env::import() function	ties environment variables with	suitable names
     to	global Perl variables with the same names.  By default it does so with
     all existing environment variables	(keys %ENV).  If the import function
     receives arguments, it takes them to be a list of environment variables
     to	tie; it's okay if they don't yet exist.

     After an environment variable is tied, merely use it like a normal
     variable.	You may	access its value

	 @path = split(/:/, $PATH);

     or	modify it

	 $PATH .= ":.";

     however you'd like.  To remove a tied environment variable	from the
     environment, assign it the	undefined value

	 undef $PATH;

AUTHOR    [Toc]    [Back]

     Chip Salzenberg <chip@fin.uucp>


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