Rekeying data - CGI example with form based control

Searching example from a Well House Consultants training course
More on Searching [link]

Source code: ar5.cgi Module: P409

#!/usr/bin/env perl

print "Content-type: text/html\n\n";

while (<DATA>) {
        ($name,@skills) = split;
        last if (/DONE/);
        foreach $sk(@skills) {
                push @{$sktab{$sk}},$name;
                }
        }
$ENV{QUERY_STRING} ; # Environment variable - form data
if ($ENV{QUERY_STRING} =~ /skill=(.+)/) {
        $lookfor = $1;
        print "People who know $lookfor:<br>";
        print (join("<br>",@{$sktab{$lookfor}}));
} else {
        print "Skills for which we have expertise:<br>";
        print (join("<br>",(keys (%sktab)))) ;
        print "<br><form>Skill: <input name=skill></form>";
}

print <<"BOTTOM";
<hr>
Copyright
</body></html>
BOTTOM

__END__
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