At Mon, 08 Dec 2025 11:59:13 +0100 (CET), Jarle Greipsland <jarle.greipsland%norid.no@localhost> wrote:
Subject: Re: use of "build.sh -B BUILDID".... with patch and more questions
>
> As for the original problem of removing blanks (or whitespace), I
> generally prefer not to sprinkle my code with too much
> cleverness. Instead, I stash it away in one or more functions,
> and then apply them as needed. Clarity is worth a few extra
> function calls. The functions below (beware! not rigorously
> tested) enable me to do both:
>
> trim_ws var " lost in space "
> and
> var=" lost in space "
> trim_ws var
nice!
I already noted the lack of character classes in the pdksh derivatives,
but also note for ancient sh, e.g. Heirloom Sh, one must resort to using
expr instead of the prefix/suffix pattern expansions.
--
Greg A. Woods <gwoods%acm.org@localhost>
Kelowna, BC +1 250 762-7675 RoboHack <woods%robohack.ca@localhost>
Planix, Inc. <woods%planix.com@localhost> Avoncote Farms <woods%avoncote.ca@localhost>