exists.cgi
#!/usr/bin/perl if ($ENV{'REQUEST_METHOD'} eq 'GET') { @pairs = split(/&/, $ENV{'QUERY_STRING'}); } elsif ($ENV{'REQUEST_METHOD'} eq 'POST') { read (STDIN, $buffer, $ENV{'CONTENT_LENGTH'}); @pairs = split(/&/, $buffer); if ($ENV{'QUERY_STRING'}) { @getpairs =split(/&/, $ENV{'QUERY_STRING'}); push(@pairs,@getpairs); } } else { print "Content-type: text/html\n\n"; print "<P>Use Post or Get"; } print "Content-type: text/html\n\n"; if (exists $formdata{'sales'}) { print "You came to this script from the Sales page"; } elsif (exists $formdata{'first'}) { print "You came to this script from the general info page"; } else { print "I don't know how you accessed this script"; }