#! /usr/bin/perl
# , and is released
# under the terms of the GPL version 2, or any later version, at your
# option. See the file README and COPYING for more information.
# Copyright 2009 by Don Armstrong <don@donarmstrong.com>.
# $Id: perl_script 1432 2009-04-21 02:42:41Z don $


use warnings;
use strict;

use Getopt::Long;
use Pod::Usage;

=head1 NAME

 - 

=head1 SYNOPSIS

 [options]

 Options:
  --debug, -d debugging level (Default 0)
  --help, -h display this help
  --man, -m display manual

=head1 OPTIONS

=over

=item B<--debug, -d>

Debug verbosity. (Default 0)

=item B<--help, -h>

Display brief usage information.

=item B<--man, -m>

Display this manual.

=back

=head1 EXAMPLES


=cut


use vars qw($DEBUG);

my %options = (debug           => 0,
	       help            => 0,
	       man             => 0,
	       );

GetOptions(\%options,
	   'debug|d+','help|h|?','man|m');

pod2usage() if $options{help};
pod2usage({verbose=>2}) if $options{man};

$DEBUG = $options{debug};

my @USAGE_ERRORS;
# if (1) {
#      push @USAGE_ERRORS,"You must pass something";
# }

pod2usage(join("\n",@USAGE_ERRORS)) if @USAGE_ERRORS;

my %rows;
@rows{@ARGV}=(1) x @ARGV;

my @header;
my $row=0;
my $output_newline = 0;
while (<STDIN>) {
    chomp;
    $row++;
    my @row = split /[\t\s]/, $_;
    if (!@header) {
	@header = @row;
	next;
    }
    if (@ARGV and not exists $rows{$row}) {
	next;
    }
    if ($output_newline) {
	print qq(\n);
    }
    for my $i (0..$#row) {
	print $i <= $#header ?$header[$i]:'???';
	print ': '.$row[$i].qq(\n);
    }
    $output_newline=1;
}



__END__