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Re: need sort help

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From:
Timo Paulssen
Date:
June 9, 2018 05:00
Subject:
Re: need sort help
Message ID:
0d62fe45-6945-72c6-a110-6156681828d1@wakelift.de
If you want to make it robust in the case of fields being different
length, like having entries with the day as "5" instead of "05", you can
put a >>.Int after the .comb(/\d+/) and that'll give you proper numeric
sorting for all fields regardless of width.


On 09/06/18 06:51, Timo Paulssen wrote:
> That's unnecessarily long and complicated, here's how you can do it much
> easier:
>
>     @x.sort: {
>         my ($month, $day, $year, $hour, $minute, $second) = .comb(/\d+/);
>         ($year // 0, $month // 0, $day // 0, $hour // 0, $minute // 0,
> $second // 0, $_);
>     }
>
> Trying it on some input data:
>
>     cimtrak.log.06-08-2018_16:07:39.zip
>     cimtrak.log.06-08-2018_17:07:39.zip
>     cimtrak.log.07-08-2018_06:07:39.zip
>     cimtrak.log.07-08-2018_16:07:39.zip
>     cimtrak.log.12-08-2016_06:07:39.zip
>     cookies
>     asbestos
>     fire engine
>     perl6
>     butterflies
>
> results in:
>
>     asbestos
>     butterflies
>     cookies
>     fire engine
>     perl6
>     cimtrak.log.12-08-2016_06:07:39.zip
>     cimtrak.log.06-08-2018_16:07:39.zip
>     cimtrak.log.06-08-2018_17:07:39.zip
>     cimtrak.log.07-08-2018_06:07:39.zip
>     cimtrak.log.07-08-2018_16:07:39.zip
>
> This is the schwartzian transform that was mentioned in another mail.
> why it wasn't actually shown, i have no clue :)
>
> Hope that helps
>   - Timo

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