Unfortunately, this module fails for some simple cases: 

    use Sort::Versions;
    print join(" ",sort versions qw(1.2a 1.10a)),"\n";

[download]
produces     1.10a 1.2a

Note that this matches the behavior described in the module's documentation, but I think it isn't what most people would want.

I've been considering patching the module to make it more useful...

[Mostly a repeat of Re: Re: Sorting on Section Numbers (to save clicks).]

        - tye (but my friends call me "Tye")

In reply to (tye)Re4: Ordered Comparison of Generalized Version Strings. by tye
in thread Ordered Comparison of Generalized Version Strings. by John M. Dlugosz

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