You need to remove 'Drive' from the comparison so that perl can make a number from it. sub mysort { substr($a,5) <=> substr($b,5) } That could probably benefit fram a Schwartzian Transform.

After Compline,
Zaxo

In reply to Re: "numeric" sort of keys? by Zaxo
in thread "numeric" sort of keys? by Gorio3721

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