You have two files to compare by searching keyword from one file into another file

File A

>pp_ANSWER

24 >aa hello Beta done

25 >jau head wear John mayor

66 >jss oops calix meyers

872 >aqq olps ploww oww sss Mutton deer

722 >GG_KILLER

..... large files

File B

Beta done

KILLER

John Mayor

calix meyers

Desired output

24 >aa hello Beta done

25 >jau head wear John mayor

66 >jss oops calix meyers

722 >GG_KILLER

#!/usr/bin/perl -w

use strict;
use warnings;

open (FILE,"$ARGV[0]") or die;
open (FILE1,"$ARGV[1]") or die;
my  @line = <FILE> ;
my $line1 = <FILE1>;
foreach my $x(@line)
    {
        if ($x =~ $line1)
        {
           print $x,"\n";
        }
    }

close (FILE);
close (FILE1);

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In reply to compare twofiles by searching keywords by vis1982

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