#!/usr/local/bin/perl -w
# Print the marker names for a list of marker indexes.
#
# Copyright (C) 1995, 1996 Humberto Ortiz Zuazaga and Rosemarie Plaetke.
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
# 
# This program 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.
# 
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
#
# See the file licence.html for a copy of the GNU GPL

use strict;
use English;

my @names = readnames($ARGV[0]);

my @map = readmap($ARGV[1]);

my $i;

for $i (@map) {
    print "$names[$i - 1]\n";
}

###
sub readnames {
    my ($filename) = @ARG;
    my $markers;
    my @names;
    my $line;
    my $i;

    open(CHROM, $filename) or die "readchrom: can't open $filename";
    $markers = <CHROM>;
    chomp $markers;
    for $i (0 .. $markers - 1) {
	$names[$i] = <CHROM>;
	chomp $names[$i];
    }
    close CHROM;
    return @names;
}

###
sub readmap {
    my ($file) = @ARG;
    my $line;
    my @map;

    open(MAP, $file) or die "readmap: can't open $file";
    while ($line = <MAP>) {
	push @map, split ' ',$line;
    }
    return @map;
}