Maybe I'm misreading this and I'm not saying this is the best way to do it, but:

push @{$strands{$key}}, $value;

Looks like it should be:

$strands{$key} .= $value;

i.e. A hash value may contain both a '-' and a '+'.

In reply to Re: Unique key identifer? by 1s44c
in thread Unique key identifer? by lecb

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