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Re: Utility of new program for coreutils?

From: dualbus
Subject: Re: Utility of new program for coreutils?
Date: Fri, 2 Jun 2017 09:12:43 -0500
User-agent: NeoMutt/20170113 (1.7.2)

On Fri, Jun 02, 2017 at 04:32:15AM -0500, Tony Freeman wrote:
> So .. Would it be worth creating a new program, let's call it 'trim', that
> would: 1) remove whitespace from the beginning and end of stdin; and 2)
> remove newlines from beginning and end of a file?

Disclaimer: I'm not a coreutils maintainer, I'm just suscribed to the
list :-)

I suggest reviewing (specially
the section on new commands).

In my opinion, it's not very valuable to add a new command to Coreutils
to accomplish this specific problem, given that you can solve it with a
sed one-liner.

A similar topic was recently brought up in the mailing list, and Pádraig
provided a few suggestions on problems for new contributors:

Perhaps you might want to review these?

> Example usage:
> echo "        test      test test     test      " | trim

$ trim(){ sed -e 's/^[[:blank:]]*//' -e 's/[[:blank:]]*$//' -- "$@"; }
$ echo "        test      test test     test      " | trim
test      test test     test

Eduardo Bustamante

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