To clarify, prior to perl 5.005 (!) sort used to use libc's qsort, which would sometimes coredump on certain platforms with pathological return values. But this isn't a concern any longer unless you are stuck with a really old perl.

In reply to Re^5: Pearls (not really) of Perl programming by ysth
in thread Pearls (not really) of Perl programming by PetaMem

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