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Re: Sorting an array containing version numbers

by tomfahle (Priest)
on Dec 23, 2009 at 11:32 UTC ( #814078=note: print w/replies, xml ) Need Help??


in reply to Sorting an array containing version numbers

Have a look at Sort::Versions - a perl 5 module for sorting of revision-like numbers, too.

#!/usr/bin/perl use strict; use warnings; use Sort::Versions; # exports versions and versioncmp my @version_numbers = qw( 1.1 1.1.1 1.2.1 1.2 1.4 1.6.1 1.6 0.9 1.1.a 1.1.b 1.3 1.5.1 1.5 2.3.5-0022 2.3.5-0041 2.1.4.0046 ); my @sorted = sort versioncmp @version_numbers; print join("\n", @sorted), "\n";

Running above code yields

0.9 1.1 1.1.1 1.1.a 1.1.b 1.2 1.2.1 1.3 1.4 1.5 1.5.1 1.6 1.6.1 2.1.4.0046 2.3.5-0022 2.3.5-0041

HTH, Thomas

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[Corion]: Hi choroba, Discipulus!
[Corion]: Yesterday I've been mulling over how to best generate HTTP requests from permutations of values but I haven't found a nice API for passing in the "template" of the HTTP request yet. I guess I'll have to do a SoPW for that
[Corion]: The API itself will basically be my $iter = generate_http_requ ests(method => 'GET', url => '/settings/:name', headers => ???, get_params => ['foo','bar']), but I'm not sure how to parametrize values in the headers and how to specify lists of ...
[choroba]: On the other hand, lots of options to receive the requests :-)
[Corion]: ... values to be used. For example, I think for headers, one would want to have various kinds of Content-Encoding headers, but for the get_parameters one would have various kinds of Bobby Tables
[choroba]: What about [metadoc:// Algorithm::Loops]?
[Corion]: choroba: Yeah, but handing off the request to Dancer,Plack, Mojolicious,LWP is easy once I have the data filled into some structure ;))
[choroba]: Algorithm::Loops
[Corion]: choroba: I'm using that to generate the permutations, but I don't know how the user can pass the intended values to my function in a sane way
[Corion]: I have a prototype that permutes the get_parameters, but the values used for the get parameters should be different from the values used for the headers and potentially for parts of the URL

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