open(FILE,"< f1.txt");
@linesf1=<FILE>;
close(FILE);
open(FILE,"< f2.txt");
@linesf2=<FILE>;
close(FILE);
foreach $linef1(@linesf1)
{
 $found=0;
 chomp($linef1);
 foreach $linef2(@linesf2)
 {
  chomp($linef2);
  if($linef2=~/ $linef1/)
  {
   print "$linef1--->$`\n";
   $found=1;
  }
 }
 if(!$found)
 {
  print "$linef1--->null\n";
 }
}

[download]
--output--
1GEG--->a.1.1.1
3RU7--->a.3.2.1
1BXS--->a.4.3.5
2JG7--->a.6.7.5
3QWU--->null
2BHP--->a.8.7.9
3ABU--->null

[download]
sorry i have done it without using hashes

In reply to Re: correspondence between two arrays by ansh batra
in thread correspondence between two arrays by anasuya

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