Store the ID's as hash keys and use exists to match records in the data file

#!/usr/bin/perl
use strict;
use Data::Dumper;

my %ID = ();
my $fileID = 'BreastCnAPmiRNAsID.txt';
open FILEID, '<', $fileID 
   or die "cannot open $fileID";
while (<FILEID>){
  chomp;
  $ID{$_}=1 if $_;
}
close FILEID;

#print Dumper \%ID;

my $fileCompare = 'tarbaseData.txt';
open FILECOMPARE, '<', $fileCompare 
     or die "cannot open $fileCompare";
while(<FILECOMPARE>){
  chomp;
  my @col = split "\t",$_; 
  print "$col[2]\n"; 
  if (exists $ID{$col[2]}){
    print $_;
  }  
}
close FILECOMPARE;

[download]
poj

In reply to Re: comparing an ID fom one file to the records in the second file by poj
in thread comparing an ID fom one file to the records in the second file by ag88

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