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 }
--
Best regards, _ _
.o. | Liege of Serenly Enlightened Majesty of o' \,=./ `o
..o | Computer Science, Michal "mina86" Nazarewicz (o o)
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