#!/usr/bin/perl -w
use strict;
use IO::File;
use constant FILE => 'b2bclient-gateway-heartbeat.log';
use constant FIND => 'production';
IO::File->input_record_separator(FIND);
my $fh = IO::File->new(FILE, O_RDONLY) or die 'Could not open file ', FILE, ": $!";
$fh->getline;
#fast forward to the first match, print each occurence in the file
print IO::File->input_record_separator

while $fh->getline;
$fh->close;