#!/usr/bin/perl
# Fig. 7.4: fig07_04.pl
# Program to display CGI environment variables.

use warnings;
use strict;
use CGI qw( :standard );

print header(), start_html( "Environment Variables" );

print '<table border = "0" cellspacing = "2">';

foreach my $variable ( sort( keys %ENV ) ) {
   print Tr( td( b( "$variable:" ) ), 
             td( i( $ENV{ $variable } ) ) );
}

print '</table>', end_html();


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