Using IO::Prompt's menu

[ghenry]

Dear Master Monks,

Why does pod2usage("$0: No files given.") if ( ( @ARGV == 0 ) && ( -t STDIN ) ); render my menu useless?

#!/usr/bin/perl
##########################################################
#                                                        #
# Author:  Gavin Henry                                   #
# Web:     http://www.perl.me.uk                         #
#                                                        #
# Version: 0.1 - 29.09.05                                #
#                                                        #
# Quick wrapper script to convert an avi                 #
# to a dvd image, using howto at:                        #
#                                                        #
# http://mightylegends.zapto.org/dvd/dvdauthor_howto.php #
#                                                        #
# Licence: GPL                                           #
#                                                        #
##########################################################

use strict;
use warnings;
use IO::Prompt;
use Pod::Usage;
use Getopt::Long;

# Straight from the Pod::Usage docs ######################
my $man  = 0;
my $help = 0;
## Parse options and print usage if there is a syntax error,
## or if usage was explicitly requested.
GetOptions( 'help|?' => \$help, man => \$man ) or pod2usage(2);
pod2usage(1) if $help;
pod2usage( -verbose => 2 ) if $man;

## If no arguments were given, then allow STDIN to be used only
## if it's not connected to a terminal (otherwise print usage)
pod2usage("$0: No files given.") if ( ( @ARGV == 0 ) && ( -t STDIN ) )
+;
##########################################################

# After we have tested to see we were given a filename and to be
# used for later
my $avi = $ARGV[0];

# use menu option from IO::Prompt
my $choice = prompt 'Please choose your format...', -1,
  -menu => [ 'PAL', 'NTSC', 'Quit', ];

print "You chose: [$choice]\n\n";


# This is where all the encoding will go once I have figured
# out what's wrong with the menu above
if ( $choice eq 'PAL' ) {
    print "You must be in Europe or Australia, encoding to PAL format\
+n";
}
elsif ( $choice eq 'NTSC' ) {
    print "You must be in America, encoding to NTSC format\n";
}
elsif ( $choice eq 'Quit' ) {
    print "Bye, bye\n";
    exit 0;
}
else {
    print "Nothing selected.\n";
    exit 0;
}

__END__

=head1 NAME

avi2dvd - a Perl wrapper script for converting an avi to dvd image

=head1 SYNOPSIS

 ./avi2dvd avifile

=head1 DESCRIPTION

Following http://mightylegends.zapto.org/dvd/dvdauthor_howto.php
I got sick of typing all the commands, so wrote this little
wrapper script.

It uses:

 IO::Prompt
 Pod::Usage
 Getopt::Long

=head1 SEE ALSO

http://mightylegends.zapto.org/dvd/dvdauthor_howto.php

=head1 VERSION

This man page documents avi2dvd version 0.1

=head1 CREDITS

Rick Harris:
http://mightylegends.zapto.org/dvd/dvdauthor_howto.php

=head1 AUTHOR

name   : Gavin Henry
email  : ghenry at perl dot me dot uk
web    : http://www.perl.me.uk
PM     : http://aberdeen.pm.org

=head1 COPYRIGHT

Copyright (c) 2005 by Gavin Henry

=head1 LICENSE

This package is free software; you can redistribute it and/or modify i
+t
under the terms of the "GNU General Public License".

Please refer to http://www.gnu.org/licenses/gpl.txt for details.

=head1 DISCLAIMER

This package is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

See the "GNU General Public License" for more details.

Thanks.