#! perl

use strict;
use Config;

#
# Do a perl check for version >= 5.005.  See 'gpt-translate-interpreter' should you
# need to alter the invocation path to a valid perl interpreter in the GPT front-end
# programs.
#

if ( ! ( defined eval "require 5.005" ) )
{
    die "GPT requires at least Perl version 5.005";
}

my $gpath = $ENV{GPT_LOCATION};

if (!defined($gpath))
{
   $gpath = $ENV{GLOBUS_LOCATION};
}

if (!defined($gpath))
{
   die "GPT_LOCATION or GLOBUS_LOCATION needs to be set before running this script";
}

@INC = ("$gpath/lib/perl", "$gpath/lib/perl/$Config{'archname'}", @INC);

require Grid::GPT::MD5;

my( @files, $digest );
@files = @ARGV;

if ( scalar(@files) == 0 )
{
    push(@files, ".");
}

for my $file (@files)
{
    $digest = Grid::GPT::MD5->checksum( file => $file );
    printf("$digest  $file\n");
}