From: Peter Stephenson <p.stephenson@samsung.com>
To: Zsh Users <zsh-users@zsh.org>
Subject: Re: translate all sequences of whitespace/underscores to single dashes
Date: Mon, 17 Aug 2015 09:47:52 +0100 [thread overview]
Message-ID: <20150817094752.53c314fe@pwslap01u.europe.root.pri> (raw)
In-Reply-To: <CABx2=D_ji1dy1K3UxxD5vKyjJ+pckLMqj1Pr4Si8i3G2c30mXA@mail.gmail.com>
On Sun, 16 Aug 2015 18:57:02 -0700
Kurtis Rader <krader@skepticism.us> wrote:
> On Sun, Aug 16, 2015 at 5:20 PM, Emanuel Berg <embe8573@student.uu.se>
> wrote:
>
> > How can I do this directly and only in zsh, i.e.
> > not using tr (translate characters)?
> >
> > # whitespace(s) and underscore(s) -> (a single) dash
> > new_name=${new_name//[_ ]/-}
> > new_name=`echo $new_name | tr -s "-"`
> >
>
> The patterns are the same as those for filename generation (so see that
> section of "man zshexpn"). The solution is to enable extended_glob support.
>
> # setopt extendedglob
> # x='a b_c_ d'
> # print ${x//[_ ]##/-}
> a-b-c-d
The question also implies white spcae, not just single spaces --- so I'd
also suggest
${x//[_[:space:]]##/-}
pws
next prev parent reply other threads:[~2015-08-17 8:48 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-08-17 0:20 Emanuel Berg
2015-08-17 1:57 ` Kurtis Rader
2015-08-17 8:47 ` Peter Stephenson [this message]
2015-08-17 11:27 ` Jun T.
[not found] ` <9D99B267-5DDD-4C5B-A33A-C5A0251A4B9F__19706.0165032328$1439813299$gmane$org@kba.biglobe.ne.jp>
2015-08-17 12:19 ` Stephane Chazelas
2015-08-17 14:51 ` Bart Schaefer
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