#! /usr/bin/perl
use strict;
-use Fcntl ':flock';
use strict;
use Getopt::Long qw(GetOptions);
-open SELF, "< $0" or die "Cannot open the lock file";
-if (!flock SELF, LOCK_EX | LOCK_NB) {
- print STDERR "sg_unit_extractor already running. Cancelling...\n";
- exit;
-}
-
my $progname="sg_unit_extractor";
# Get the args
