#!/usr/bin/perl

    use warnings;
    use strict;

    print 'Enter a File name: ';
    chomp (my $file = <STDIN>);
    die "$file can't be found\n" unless -e $file;

    print 'Enter a search pattern: ';
    chomp (my $pattern = <STDIN>);

    open (F, '<', $file) || die $!;
    my @lines = <F>;
    my $cnt = @lines;
    my $found = 0;

    foreach my $line (@lines) {
         print $line and $found++ if $line =~ /\Q$pattern\E/;
    }
    print "\nTotal lines matched: $found\n";