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Re: Sorting on Section Numbers

by acme (Novice)
on Jul 28, 2000 at 18:48 UTC ( #24858=note: print w/ replies, xml ) Need Help??


in reply to Sorting on Section Numbers

Of course, there is a module on CPAN which does what you want! It's called Sort::Versions, available from http://search.cpan.org/search?dist=SortVersions and it basically does what you want:

#!/usr/local/bin/perl

use strict;
use Sort::Versions;

my @sections = qw(2.1.7 2.2 3.4a 2.13 1 2);
@sections = sort versions @sections;
print "@sections\n"; # prints "1 2 2.1.7 2.2 2.13 3.4a"
Hope this helps! Leon


Comment on Re: Sorting on Section Numbers
Re: Re: Sorting on Section Numbers
by tye (Cardinal) on Jul 28, 2000 at 18:59 UTC

    Unfortunately, this module fails for some simple cases:

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

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