http://www.perlmonks.org?node_id=985332


in reply to Simple Perl Backup help

Another way using perldoc perlre (case-insensitive and only looks at 1st character):
if ( $input =~ /^n/i ) { die "Program is shutting down.\n"; } elsif ( $input =~ /^y/i ) { print "Backup is beginning......\n"; last; }