#!/usr/bin/perl -w


$sasa_file= 'File1';
$pdbfile='File2';

# Remove the newline from the DNA filename


open (MYXFILE,$sasa_file);
open (PDBFILE, $pdbfile);

while (<MYXFILE>){

chomp;
@sa = split(/\t/,$_);

#print "$sa[0]	$sa[1]	$sa[2]\n";
#$res = substr $_, 0, 4;
#$res_no = substr $_, 4, 5;
#$atom =substr $_, 9, 3;

	while (<PDBFILE>){
	chomp; 

		$res = substr $_, 17, 3;
		$res_no = substr $_, 22, 4;
		$atom =substr $_, 13, 3;

		#print " $res $res_no $atom \n" ; # works fine
			
		if (( $sa[0]eq$res)&&($sa[1]==$res_no)&&($sa[2] eq $atom))
			{
				print "$_"; # does not print anything.
				
			}
	
			}



			}

close MYXFILE;
close PDBFILE;