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+=head1 NAME
+
+Env - Perl module that imports environment variables
+
+=head1 DESCRIPTION
+
+Perl maintains environment variables in a pseudo-associative-array
+named %ENV.  For when this access method is inconvenient, the Perl
+module C<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 (C<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;