We have two files

One file

ALDH1A1

ITGA7

CHRNA1

PPP1R9A

ACTG1

SRGN

CD44

GRB7

and Second file

ALDH1A1 00001 NP_000680.2 ALDH1A1 00001 NP_000680.2 in vivo;yeast 2-hybrid 12081471,16189514

ITGA7 02761 NP_002197.1 CHRNA1 00007 NP_001034612.1 in vivo 10910772

PPP1R9A 16000 NP_060120.2 ACTG1 00017 NP_001605.1 in vitro;in vivo 9362513,12052877

SRGN 01513 NP_002718.2 CD44 00115 NP_000601.3 in vivo 9334256

GRB7 03311 NP_005301.2 ERBB2 01281 NP_004439.2 in vitro;in vivo 9079677

PAK1 03995 AAC24716.1 ERBB2 01281 NP_004439.2 in

And output shud be

ALDH1A1 NP_000680.2

ITGA7 NP_002197.1

CHRNA1 NP_001034612.1

PPP1R9A NP_060120.2

ACTG1 NP_001605.1

SRGN NP_002718.2

CD44 NP_000601.3

GRB7 NP_005301.2 

#!/usr/bin/perl -w
$j=1;
open (FILE,"$ARGV[0]") or die;
my @temp =<FILE>;
close FILE;

foreach $x(@temp)
{

        chomp($x);
                $line = $1;
                $flag = 1;


}
open (FILE,"$ARGV[1]") or die;
my @parse=<FILE>;
close FILE;
open(WRITE,">output.txt");
        {
        if($flag==1){
                if ($x==$parse[$0])
        {
print WRITE "$x $j\n  $line\n";$j++;}
}
}

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In reply to matching twof files and print the output by vis1982

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