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

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Christian Walde
November 26, 2020 12:22
Re: Looking for someone to adopt adding trim() to core
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On Thu, 26 Nov 2020 12:43:01 +0100, Vlado Keselj <> wrote:

> Hi,
> I am new to the list so I am not sure if this counts for much, but I would
> be in support of making "trim" a keyword.
> Perl is a string-oriented language and it should be simple and transparent
> to use functions like "trim", which made keywords already in other
> languages, like PHP.  Yes, we can use regexes but they do look hairy for
> such a simple use.  This would be an important benefit to the beginners.
> If 'chomp' is there, why 'trim' would not be.  One possible dowside may be
> backcompatibility.  It would be worth checking how much and how 'trim' has
> already been used in CPAN.

Thanks for the support. :)

As for the numbers checking, i already did that here:

> And looking at CPAN:
>1050 distributions and 1659 files implement some kind of regex-based whitespace stripping, and while this function isn't aimed at CPAN, this demonstrates a clear desire.
>For a (not at all equal, but related) comparison, searching for uses of say:
>results in 914 dists.

That said, backporting is not a big concern for this one, as trim is primarily aimed at non-CPAN developers for their own code, as trim is more likely to be used in end user code, not library code. :)

It would also be a small marketing win alongside of the other benefits of it being a proof-of-concept and learning aid for adding functionality to Perl.

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