On Sonntag, 10. Mai 2009, Michal Nazarewicz wrote:
> Johannes Sixt <j6t@xxxxxxxx> writes:
> > On Sonntag, 10. Mai 2009, Junio C Hamano wrote:
> >> b="$(cut -c1-7 "$g/HEAD" 2>/dev/null)..." ||
> >
> > While you are here, you could turn this line into
> >
> > { b=$(< "$g/HEAD") && b=${b:0:7}...; } 2>/dev/null ||
> >
> > to save a process. $(< foo) is a bash feature and does the same as
> > $(cat foo), but faster.
>
> Excuse me this little cavil but how about something that works on other
> shells as well:
>
> { read b <$g/HEAD && _b=${b#???????} && b=${b%"$_b"}... && unset _b }
Because this is all about *bash* completion ;-)
-- Hannes
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