Re: [gentoo-dev] Re: bash-4.0 regression heads up (escaped semicolons in subshells)

[Mart Raudsepp <leio@gentoo.org>]

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On Sat, 2009-02-21 at 18:55 -0500, Mike Frysinger wrote:
> On Saturday 21 February 2009 18:38:55 Ryan Hill wrote:
> > On Sat, 21 Feb 2009 18:27:10 -0500 Mike Frysinger wrote:
> > > looks like bash-4.0 has broken semicolon escaping in subshells.  this
> > > comes up when using find's -exec like we do in a few places in
> > > eclasses: ls=$(find "$1" -name '*.po' -exec basename {} .po \;); shift
> > > you can work around the issue in a couple of ways:
> > >  - quote the semicolon:
> > > 	.... ';')
> > >  - use backticks
> > > 	`find .... \;`
> > >
> > > i'll tweak the eclasses to use quoting for now
> >
> > is this a bug or broken on purpose?
> 
> i say it's a bug, but i'm not the bash maintainer
> 
> i imagine it's fall out from attempts to fix support for case statements in 
> subshells

Then the bug should be fixed, instead of changing usage to something
apparently less common, as the conversion could miss some.  And more
importantly users still want to use \; for find -exec ending on their
command line and their very own scripts.
And who knows how many shell scripts shipped by packages use the
escaping method.


-- 
Mart Raudsepp
Gentoo Developer
Mail: leio@gentoo.org
Weblog: http://planet.gentoo.org/developers/leio

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