You've got the loops backwards. This is what you have
for ( 4 .. 6 ){
    print "$_\n";
    for ( 0 .. 10 ){
        print "\t$_\n";
    }
}

[download]
Your goal should be to read the file once 
my %stopwords = map { $_ => } <$excludes>;

while( <$large> ){
    print unless $stopwords{$_};
}

[download]

In reply to Re: filter a file using an exclusion list by Anonymous Monk
in thread filter a file using an exclusion list by coldy

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