Re: how to use character range [] in substitution pattern :gs

[reckoner <reckoner@xxxxxxxxx>]

On 5/9/2012 7:38 AM, Peter Stephenson wrote:
> On Wed, 9 May 2012 16:23:20 +0200
> Jérémie Roquet<arkanosis@xxxxxxxxx>  wrote:
> > 2012/5/9 reckoner<reckoner@xxxxxxxxx>:
> > > 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 syntax,
> > > so I'm pretty sure that I'm using the character range [] incorrectly
> > > somehow.
> >
> > 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//[\(\)]/_}

This last one doesn't work for me with or without the HIST_SUBST_PATTERN.

Thanks!