#!/usr/bin/perl 

$data_file="aa1";
open(DAT, $data_file) || die("Could not open file!");
@raw_data=<DAT>;
close(DAT);

#print $raw_data[0];

$data_file2="aa2";
open(THAT, $data_file2) || die("Could not open file!");
@raw2_data=<THAT>;
close(THAT);
foreach $data (@raw2_data)
{

@siv =split(";",$data);
if  (($siv[0])== ($siv[1]))
{
print "1";
}
else {
print "0";
}
}

use strict;
use warnings;

my %A;
my ($max_row, $max_col) = (4,4);

# autovivify interesting rows/cols of %A
while (<DATA>) {
  warn("Line $.: cannot understand: $_") , next unless /A(\d+);A(\d+)/;
  my ($row, $col) = ($1,$2);
  $A{$row}{$col}++;
  $A{$col}{$row}++; # uncomment if relationship is not bidirectional
}

# print col. header
print "    ";
printf("A%-3d",$_) for (1..$max_col);
print "\n";

#print matrix A
for my $row (1 .. $max_row) {
  printf("A%-3d", $row);

  for my $col (1 .. $max_col) {
    printf(" %-3d",  exists $A{$row}{$col} ? "1" : "0" );
  }
  print "\n";
}

use strict;
use warnings;

my %A;
my ($max_row, $max_col) = (4,4);

# autovivify interesting rows/cols of %A
while (<DATA>) {
  warn("Line $.: cannot understand: $_") , next unless /(\w+);(\w+)/
+;
  my ($row, $col) = ($1,$2);
  
}


print "    ";
printf("%-3d",$_) for (1..$max_col);
print "\n";

for my $row (1 .. $max_row) {
  printf("%s", $row);

  for my $col (1 .. $max_col) {
    printf(" %s",  exists {$row}{$col} ? "1" : "0" );
  }
  print "\n";
}