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Re: Bioinformatics project feedback request.

by runrig (Abbot)
on Jul 02, 2013 at 19:13 UTC ( #1042078=note: print w/replies, xml ) Need Help??

in reply to Bioinformatics project feedback request.

How long are your strings going to be? If they are going to be huge (e.g., in the gigabytes), you will want to pass around references to the string to your subroutines. E.g.:
sub bp_count { my ($data) = @_; # obtain the count of each nucleotide in the sequence my $a_count = ($$data =~ tr/Aa//); my $c_count = ($$data =~ tr/Cc//); my $g_count = ($$data =~ tr/Gg//); my $t_count = ($$data =~ tr/Tt//); return ($a_count, $c_count, $g_count, $t_count); } # Called with: bp_count(\$string);

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