Perl CGI Environment Variables

All the Perl CGI program will have access to the following environment variables. These variables play an important role while writing any CGI program in Perl.

Here is a small Perl CGI program to list down all the CGI variables supported by your Web server. Click this link to see the result Get Environment

#!/usr/bin/perl
print "Content-type: text/html\n\n";
print "<font size=+1>Environment</font>\n";
foreach (sort keys %ENV) {
   print "<b>$_</b>: $ENV{$_}<br>\n";
}
1;