my @words = qw ($chromosomefilename);
my $count = grep /$recognitionsequence/, @words;

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So you're counting if $recognitionsequence matches the string $chromosomefilename (the literal string, not the contents of that variable). Is that what you want? If not, take it as a clue as to where start searching for errors.

Perl 6 - second systems done right

In reply to Re: Count the occurance of a words in a string by moritz
in thread Count the occurance of a words in a string by Pratyusha Reddy

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