On the face of it all you need is a small adjustment to your sort function:

my %seq = ('1035-2341', '1', '1035-2347', '1', '1035-65', '1', '1035-4
+6', '1');

foreach (sort {length $a <=> length $b || $a cmp $b} keys %seq) {
    print $_, "\n";
}

[download]

Prints:

1035-46
1035-65
1035-2341
1035-2347

[download]
True laziness is hard work

In reply to Re: Sort hash keys by GrandFather
in thread Sort hash keys by kalyanrajsista

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