#!/usr/bin/perl -w
# 
# cat data obtained from collector script

use strict;

my $pid = `pgrep -f _collectDataScript.pl`;

if ($pid) {
        while($pid) {

         print "Waiting for process $pid";
         sleep(10);
         my $pid = `pgrep -f _collectDataScript.pl`;
         if ($pid !~ m/\d+/) {
                print "process id is non-numeric\n";
                last;
         }
        }
}

        print "process finished...do something\n";