my $file = "rajesh.txt";
my $file_timestamp = stat($file)->mtime;
my $timestamp = localtime($epoch_timestamp);

my $startTime = time();

my $rajesh = $nowEpoc - $file_timestamp;

print "The current time is = $startTime\n";
print "The file modified time is = $file_timestamp\n";
print "The difference between file modified time and current time is = $rajesh\n";