The environment associative array: Associative arrays %ENV holds your system's environment variables. : Special Variables « Language Basics « Perl

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Perl » Language Basics » Special Variables

The environment associative array: Associative arrays %ENV holds your system's environment variables.


   



#!/usr/bin/perl -w



# Access environment variables.



@key_names = keys(%ENV);



print "Key names are: @key_names\n\n";



# Now, access each element from the list.

foreach $key (@key_names) {

    print "$key=$ENV{$key}\n";

}

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