The standard solution to the lexical vs. numerical sorting problem is using leading 0 s. Comparing '04' and '10' works in both cases. It is also reversible: 
foreach (@in) {s|(\d+)|sprintf '%10.10d', $1|eg};
@in = sort  @in;
foreach (@in) {s|(\d+)|sprintf '%d',      $1|eg};

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This assumes that your numbers have up to 10 digits.

In reply to Re: Sorting path like strings by NiJo
in thread Sorting path like strings by BUU

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