I like using chop to do this sort of thing (I am a bioinformaticist):

my $dna = 'gagagtatgcgattaatgcatattataaaaagcggcatgacggca';

for (1..10) 
{
    my $base = chop($dna);
    print "$base\n";
}

[download]
Regards,

Helgi Briem

In reply to Re: a farewell to chop by helgi
in thread a farewell to chop by John M. Dlugosz

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