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Re: Looking for someone to adopt adding trim() to core

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From:
Christian Walde
Date:
November 27, 2020 10:14
Subject:
Re: Looking for someone to adopt adding trim() to core
Message ID:
op.0uqj16psydyjqt@xenwide.vpn.udag.de
On Fri, 27 Nov 2020 04:51:29 +0100, Andy Xiao <xyf.xiao@outlook.com> wrote:

> Apparently everyone like trim, what argue is since perl built-in function is already a bit mess,  someone won't add >this burden . How about consider a "default" pragma:              Break all built-in functions into several classes, like CoreScalar, CoreList, CoreIO, UserInfo, NetworkInfo, etc. >every perl program auto load all above classes except user explict say no use .......
>                Since it may be a big job, putting trim into core first is not a big problem.
>From: Christian Walde <walde.christian@gmail.com>
> Sent: Thursday, November 26, 2020 9:05 PM
> To: Vlado Keselj <vlado@dnlp.ca>
> Cc: Tony Cook <tony@develop-help.com>; demerphq <demerphq@gmail.com>; Scott Baker <scott@perturb.org>; >Perl5 Porters <perl5-porters@perl.org>
> Subject: Re: Looking for someone to adopt adding trim() to core
>> On Thu, 26 Nov 2020 13:51:56 +0100, Vlado Keselj <vlado@dnlp.ca> wrote:
>
>>
>> 1050 distributions and 1659 cases!  Wow, that is a strong support for
>> "trim".
>>
>> It is interesting that some of those cases use /g option, which trims all
>> lines.  This could be a candidate for the second argument of "trim".
>>
>> I would guess that not even all alternatives are counted, like:
>> s/^\s*(.*)\s*$/$1/
>
> Sadly there is a lot of different ways to do trim, so trim in the PR currently tries to find the most-used one >and provide that. Stuff like multi-line trim can be done fairly easily with that one by way of split map join.
>
> That said, as mentioned elsewhere in the thread: Once we have that it can serve as an easier template to >do such things in the future.
>
> Also, i recommend reading the PR in entirety as it details why adding arguments to trim() is currently not >considered desirable. :)
>
> --With regards,
> Christian Walde
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