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In-Reply-To: <87r3n2dav7.fsf@nl106-137-147.student.uu.se>
References: <87r3n2dav7.fsf@nl106-137-147.student.uu.se>
Date: Sun, 16 Aug 2015 18:57:02 -0700
Message-ID: <CABx2=D_ji1dy1K3UxxD5vKyjJ+pckLMqj1Pr4Si8i3G2c30mXA@mail.gmail.com>
Subject: Re: translate all sequences of whitespace/underscores to single dashes
From: Kurtis Rader <krader@skepticism.us>
To: Zsh Users <zsh-users@zsh.org>
Content-Type: multipart/alternative; boundary=001a11c33f6e2b4283051d781ea3

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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


-- 
Kurtis Rader
Caretaker of the exceptional canines Junior and Hank

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