Here is the program from your original post, unchanged except for numerous print statements.

#!/usr/bin/perl

#  match5.pl      perl match5.pl  Test the entire program.
# From http://www.perlmonks.org/?node_id=1166649

use strict;
use warnings;

    print "File: ", __FILE__, " Line: ", __LINE__, "\n";              
+                   # This code is for testing.
    print 'The program has started.', "\n";                           
+                   # This code is for testing.

my @csv2 = ();                                                        
+                                             
open CSV2, "<csv2" or die;                                            
+                                             
@csv2=<CSV2>;                                                         
+                                             
close CSV2;                                                           
+                                             
                                                                      
+                                             
my %csv2hash = ();                                                    
+                                             
for (@csv2) {                                                         
+                                             
  chomp;                                                              
+                                             
  my ($title) = $_ =~ /^.+?,\s*([^,]+?),/; #/ match the title         
+                                             
  $csv2hash{$_} = $title;                                             
+                                             
}                                                                     
+                                             
                                                                      
+                                             
open CSV1, "<csv1" or die;                                            
+                                             
while (<CSV1>) {                                                      
+                                             
  chomp;                                                              
+                                             
  my ($title) = $_ =~ /^.+?,\s*([^,]+?),/; #/ match the title         
+                                             
    my %words;                                                        
+                                             
    $words{$_}++ for split /\s+/, $title;    #/ get words             
+                                             
    ## Collect unique words                                           
+                                             
    my @titlewords = keys(%words);                                    
+                                             
  my @new;                          #add exception words which shouldn
+'t be matched                                
  foreach my $t (@titlewords){                                        
+                                             
        push(@new, $t) if $t !~ /^(rare|vol|volume|issue|double|magazi
+ne|mag)$/i;                                  
  }
  print "File: ", __FILE__, " Line: ", __LINE__, "\n";                
+                   # This code is for testing.
  print '@new: ', join(", ", @new), "\n";                             
+                   # This code is for testing.
  @titlewords = @new;
  my $desired = 5;                                                    
+                                             
  my $matched = 0;                                                    
+                                             
  foreach my $csv2 (keys %csv2hash) {
    print "File: ", __FILE__, " Line: ", __LINE__, "\n";              
+                   # This code is for testing.
    print 'xxxxxxxxxxxxxxxxxxxxxxxx At the top of the foreach my $csv2
+ (keys %csv2hash) { outer loop xxxxxxxxxxxxxxxxxxxxxxxx', "\n";  # Th
+is code is for testing.
    my $count = 0;                                                    
+                                             
    my $value = $csv2hash{$csv2};
    print "File: ", __FILE__, " Line: ", __LINE__, "\n";              
+                   # This code is for testing.
    print '$value: ', $value, "\n";                                   
+                   # This code is for testing.
    foreach my $word (@titlewords) {
            print "File: ", __FILE__, " Line: ", __LINE__, "\n";      
+                   # This code is for testing.
            print 'xxxxxxxxxxxxxxxxxxxxxxxx At the top of the foreach 
+my $word (@titlewords) { inner loop xxxxxxxxxxxxxxxxxxxxxxxx', "\n"; 
+ # This code is for testing.
            my @matches   = ( $value=~/\b$word\b/ig );
            print "File: ", __FILE__, " Line: ", __LINE__, "\n";      
+                   # This code is for testing.
            print '@matches: ', join(", ", @matches), "\n";           
+                   # This code is for testing.
            my $numIncsv2 = scalar(@matches);
            print "File: ", __FILE__, " Line: ", __LINE__, "\n";      
+                   # This code is for testing.
            print '$numIncsv2: ', $numIncsv2, "\n";                   
+                   # This code is for testing.
            @matches      = ( $title=~/\b$word\b/ig );
            print "File: ", __FILE__, " Line: ", __LINE__, "\n";      
+                   # This code is for testing.
            print '@matches: ', join(", ", @matches), "\n";           
+                   # This code is for testing.
            my $numIncsv1 = scalar(@matches);
            print "File: ", __FILE__, " Line: ", __LINE__, "\n";      
+                   # This code is for testing.
            print '$numIncsv1: ', $numIncsv1, "\n";                   
+                   # This code is for testing.
            ++$count if $value =~ /\b$word\b/i;
            print "File: ", __FILE__, " Line: ", __LINE__, "\n";      
+                   # This code is for testing.
            print '$count: ', $count, "\n";                           
+                   # This code is for testing.
            if ($count >= $desired || ($numIncsv1 >= $desired && $numI
+ncsv2 >= $desired)) {
                $count = $desired+1;
                print "File: ", __FILE__, " Line: ", __LINE__, "\n";  
+                   # This code is for testing.
                print '$count: ', $count, "\n";                       
+                   # This code is for testing.
                last;                                                 
+                                             
            }                                                         
+                                             
    }                                                                 
+                                             
    if ($count >= $desired) {
      print "File: ", __FILE__, " Line: ", __LINE__, "\n";            
+                   # This code is for testing.
      print "$csv2\n";                                                
+                                             
      ++$matched;                                                     
+                                             
    }                                                                 
+                                             
  }
  print "File: ", __FILE__, " Line: ", __LINE__, "\n";                
+                   # This code is for testing.
  print "$_\n\n" if $matched;                                         
+                                             
}                                                                     
+                                             
close CSV1;

    print "File: ", __FILE__, " Line: ", __LINE__, "\n";              
+                   # This code is for testing.
    print 'The program has ended.', "\n";                             
+                   # This code is for testing.

__END__

[download]

Here is the input file named csv2.

12278788, TV & SATELLITE WEEK 11 MAY GILLIAN ANDERSON DOCTOR WHO NOT R
+ADIO TIMES , http://www.example.co.uk, 12

[download]

Here is the input file named csv1.

2523021356, RARE TV RADIO TIMES MAGAZINE DOCTOR WHO THE THREE 3 DOCTOR
+S DR JON PERTWEE, http://www.example.co.uk, 12

[download]

Here is the output.

File: match5.pl Line: 9
The program has started.
File: match5.pl Line: 36
@new: JON, DOCTORS, RADIO, THREE, THE, 3, DR, DOCTOR, PERTWEE, WHO, TI
+MES, TV
File: match5.pl Line: 42
xxxxxxxxxxxxxxxxxxxxxxxx At the top of the foreach my $csv2 (keys %csv
+2hash) { outer loop xxxxxxxxxxxxxxxxxxxxxxxx
File: match5.pl Line: 46
$value: TV & SATELLITE WEEK 11 MAY GILLIAN ANDERSON DOCTOR WHO NOT RAD
+IO TIMES
File: match5.pl Line: 49
xxxxxxxxxxxxxxxxxxxxxxxx At the top of the foreach my $word (@titlewor
+ds) { inner loop xxxxxxxxxxxxxxxxxxxxxxxx
File: match5.pl Line: 52
@matches:
File: match5.pl Line: 55
$numIncsv2: 0
File: match5.pl Line: 58
@matches: JON
File: match5.pl Line: 61
$numIncsv1: 1
File: match5.pl Line: 64
$count: 0
File: match5.pl Line: 49
xxxxxxxxxxxxxxxxxxxxxxxx At the top of the foreach my $word (@titlewor
+ds) { inner loop xxxxxxxxxxxxxxxxxxxxxxxx
File: match5.pl Line: 52
@matches:
File: match5.pl Line: 55
$numIncsv2: 0
File: match5.pl Line: 58
@matches: DOCTORS
File: match5.pl Line: 61
$numIncsv1: 1
File: match5.pl Line: 64
$count: 0
File: match5.pl Line: 49
xxxxxxxxxxxxxxxxxxxxxxxx At the top of the foreach my $word (@titlewor
+ds) { inner loop xxxxxxxxxxxxxxxxxxxxxxxx
File: match5.pl Line: 52
@matches: RADIO
File: match5.pl Line: 55
$numIncsv2: 1
File: match5.pl Line: 58
@matches: RADIO
File: match5.pl Line: 61
$numIncsv1: 1
File: match5.pl Line: 64
$count: 1
File: match5.pl Line: 49
xxxxxxxxxxxxxxxxxxxxxxxx At the top of the foreach my $word (@titlewor
+ds) { inner loop xxxxxxxxxxxxxxxxxxxxxxxx
File: match5.pl Line: 52
@matches:
File: match5.pl Line: 55
$numIncsv2: 0
File: match5.pl Line: 58
@matches: THREE
File: match5.pl Line: 61
$numIncsv1: 1
File: match5.pl Line: 64
$count: 1
File: match5.pl Line: 49
xxxxxxxxxxxxxxxxxxxxxxxx At the top of the foreach my $word (@titlewor
+ds) { inner loop xxxxxxxxxxxxxxxxxxxxxxxx
File: match5.pl Line: 52
@matches:
File: match5.pl Line: 55
$numIncsv2: 0
File: match5.pl Line: 58
@matches: THE
File: match5.pl Line: 61
$numIncsv1: 1
File: match5.pl Line: 64
$count: 1
File: match5.pl Line: 49
xxxxxxxxxxxxxxxxxxxxxxxx At the top of the foreach my $word (@titlewor
+ds) { inner loop xxxxxxxxxxxxxxxxxxxxxxxx
File: match5.pl Line: 52
@matches:
File: match5.pl Line: 55
$numIncsv2: 0
File: match5.pl Line: 58
@matches: 3
File: match5.pl Line: 61
$numIncsv1: 1
File: match5.pl Line: 64
$count: 1
File: match5.pl Line: 49
xxxxxxxxxxxxxxxxxxxxxxxx At the top of the foreach my $word (@titlewor
+ds) { inner loop xxxxxxxxxxxxxxxxxxxxxxxx
File: match5.pl Line: 52
@matches:
File: match5.pl Line: 55
$numIncsv2: 0
File: match5.pl Line: 58
@matches: DR
File: match5.pl Line: 61
$numIncsv1: 1
File: match5.pl Line: 64
$count: 1
File: match5.pl Line: 49
xxxxxxxxxxxxxxxxxxxxxxxx At the top of the foreach my $word (@titlewor
+ds) { inner loop xxxxxxxxxxxxxxxxxxxxxxxx
File: match5.pl Line: 52
@matches: DOCTOR
File: match5.pl Line: 55
$numIncsv2: 1
File: match5.pl Line: 58
@matches: DOCTOR
File: match5.pl Line: 61
$numIncsv1: 1
File: match5.pl Line: 64
$count: 2
File: match5.pl Line: 49
xxxxxxxxxxxxxxxxxxxxxxxx At the top of the foreach my $word (@titlewor
+ds) { inner loop xxxxxxxxxxxxxxxxxxxxxxxx
File: match5.pl Line: 52
@matches:
File: match5.pl Line: 55
$numIncsv2: 0
File: match5.pl Line: 58
@matches: PERTWEE
File: match5.pl Line: 61
$numIncsv1: 1
File: match5.pl Line: 64
$count: 2
File: match5.pl Line: 49
xxxxxxxxxxxxxxxxxxxxxxxx At the top of the foreach my $word (@titlewor
+ds) { inner loop xxxxxxxxxxxxxxxxxxxxxxxx
File: match5.pl Line: 52
@matches: WHO
File: match5.pl Line: 55
$numIncsv2: 1
File: match5.pl Line: 58
@matches: WHO
File: match5.pl Line: 61
$numIncsv1: 1
File: match5.pl Line: 64
$count: 3
File: match5.pl Line: 49
xxxxxxxxxxxxxxxxxxxxxxxx At the top of the foreach my $word (@titlewor
+ds) { inner loop xxxxxxxxxxxxxxxxxxxxxxxx
File: match5.pl Line: 52
@matches: TIMES
File: match5.pl Line: 55
$numIncsv2: 1
File: match5.pl Line: 58
@matches: TIMES
File: match5.pl Line: 61
$numIncsv1: 1
File: match5.pl Line: 64
$count: 4
File: match5.pl Line: 49
xxxxxxxxxxxxxxxxxxxxxxxx At the top of the foreach my $word (@titlewor
+ds) { inner loop xxxxxxxxxxxxxxxxxxxxxxxx
File: match5.pl Line: 52
@matches: TV
File: match5.pl Line: 55
$numIncsv2: 1
File: match5.pl Line: 58
@matches: TV
File: match5.pl Line: 61
$numIncsv1: 1
File: match5.pl Line: 64
$count: 5
File: match5.pl Line: 68
$count: 6
File: match5.pl Line: 74
12278788, TV & SATELLITE WEEK 11 MAY GILLIAN ANDERSON DOCTOR WHO NOT R
+ADIO TIMES , http://www.example.co.uk, 12
File: match5.pl Line: 79
2523021356, RARE TV RADIO TIMES MAGAZINE DOCTOR WHO THE THREE 3 DOCTOR
+S DR JON PERTWEE, http://www.example.co.uk, 12

File: match5.pl Line: 84
The program has ended.

[download]

Feel free to ask further questions.

In reply to Re^15: Addional "year" matching functionality in word matching script by Cow1337killr
in thread Addional "year" matching functionality in word matching script by bms9nmh

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