"Use of uninitialized value in subtraction (-) at ./test3.pl line 30.
Use of uninitialized value in subtraction (-) at ./test3.pl line 31.
Month '-1' out of range 0..11 at ./test3.pl line 35"

##</code><code>##

#!/usr/bin/perl

use strict;
use warnings;
use Time::Local;
#use Time::gmtime;

my $inputfile = "/home/vdelaney/test.txt";
my $inputmodfile = "/home/vdelaney/test_mod.txt";
my $outputfile = "/home/vdelaney/test_out.txt";

system("cat \"$inputfile\" | awk '{print \$2}'| awk -F 'T' '{print \$1}' > $inputmodfile");

my $seventh_days= 7 * 24 * 60 * 60;
print " seventh_day from today=$seventh_days\n";
my ($old_day, $old_month, $old_year) = (localtime(time - $seventh_days))[3..5];
#print "old_day=$old_day  ,old_month= $old_month,old_year= $old_year \n";
my $cutoff = sprintf('%04d-%02d-%02d', 
                     $old_year + 1900, $old_month + 1, $old_day);
print "cutoff date=$cutoff\n";

open my $handle, '<', $inputmodfile;
chomp(my @lines = <$handle>);
close $handle;

#print "List of lines that have dates older than the cutoff date\n";
my ($yyyy, $mm, $dd); 
my $epoch_seconds;
my $strings;

for my $date (@lines) {

##</code><code>##

 ($yyyy, $mm, $dd) = ($date =~ /(\d+)-(\d+)-(\d+)/);
 $epoch_seconds = timelocal(0, 0, 0, $dd, $mm, $yyyy-1900);
 $strings = localtime($epoch_seconds);

##</code><code>##

 print "$date : $epoch_seconds\n" if $date lt $cutoff;
}