note
Jim
<p>Consider this refactored version of your Perl script. (It hasn't been tested at all.)</p>
<code>
use strict;
use warnings;
use autodie qw( open close );
use open qw( :encoding(UTF-8) :std );
my %terms_in; # Hash of hash of terms in each file
my $terms_file = 'array.txt';
open my $fh1, '<', $terms_file;
while (my $record = <$fh1>) {
my ($file, $term) = $record =~ m/^(\S+)\s+(\S+)/;
$terms_in{ $file }{ $term } = 1;
}
close $fh1;
FILE:
for my $file (keys %terms_in) {
open my $fh2, '<', $file;
while (my $line = <$fh2>) {
for my $term (keys %$terms_in{ $file }) {
if (index $line, $term) {
print "Term $term found in file $file\n";
# Don't search terms that have already been found...
delete $terms_in{ $file }{ $term };
}
}
# Don't keep searching file once all terms have been found...
if (scalar keys %$terms_in{ $file } == 0) {
close $fh2;
next FILE;
}
}
close $fh2;
}
# At this point, what remains in %terms_in are all the terms that
# were not found in their respective files, which might be useful.
exit 0;
</code>
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