ash: substring processing seems to be borken
James Simmons
jsimmons at infradead.org
Tue Apr 15 19:36:30 UTC 2008
> On Tue, 15 Apr 2008, James Simmons wrote:
>
> > This fails.
> >
> > runlevel=$(cat /proc/1/cmdline 2> /dev/null)
> > echo $runlevel # init [2]
> > runlevel=${runlevel#* [}
> >
> > echo "runlevel '$runlevel'" # Should be runlevel '2]'
> > # we get runlevel 'init [2]'
>
> Hmm...
>
> But:
>
> # runlevel=${runlevel#* \[}
> # echo $runlevel
> 2]
Yes you are right, it does work. I also tested dash which also barfed.
Only bash works without the \. Denys you can remove that work around.
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