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Date: Wed, 9 May 2012 15:38:48 +0100
From: Peter Stephenson <Peter.Stephenson@csr.com>
To: reckoner <reckoner@gmail.com>
CC: Zsh Users <zsh-users@zsh.org>
Subject: Re: how to use character range [] in substitution pattern :gs
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On Wed, 9 May 2012 16:23:20 +0200
J=C3=A9r=C3=A9mie Roquet <arkanosis@gmail.com> wrote:
> 2012/5/9 reckoner <reckoner@gmail.com>:
> > I'm trying to use the the [] character range to substitute for embedded
> > parenthesis as in the following:
> >
> > % echo ${x:gs/[()]/_/}
> >
> > But This isn't working for some reason. It's not complaining about synt=
ax,
> > so I'm pretty sure that I'm using the character range [] incorrectly
> > somehow.
>=20
> By default, the left side of a substitution is a string, not a
> pattern. You have to setopt HIST_SUBST_PATTERN to use patterns
> instead.

Probably better to use the syntax that already handles this:

${x//[\(\)]/_}

--=20
Peter Stephenson <pws@csr.com>            Software Engineer
Tel: +44 (0)1223 692070                   Cambridge Silicon Radio Limited
Churchill House, Cambridge Business Park, Cowley Road, Cambridge, CB4 0WZ, =
UK


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