##
print "
##
use CGI qw/:standard/;
# ...
print start_form( -action=>'cgi2.cgi' );
##
##
$/ = q#(\w)# ; sub sig { print scalar reverse join ' ', @_ } sig
map { s$\$/\$/$\$2\$1$g && $_ } split( ' ', ",erckha rlPe erthnoa stJu" );