On 08/02/2011 06:03 PM, Cristian Ionescu-Idbohrn wrote: > Now, what is the point with forking a subshell '( true )' just to > execute the (built in most shells) command 'true', when the command > ':' is guaranteed built in all POSIX complient shells? > > -while ( true ) ; do > +while :; do > > This command: > > /usr/sbin/laptop_mode auto > > can fail (indefinitely) both in a number of known places: > > usr/sbin/laptop_mode:250: exit 1 > usr/sbin/laptop_mode:533: exit 1 > usr/sbin/laptop_mode:538: exit 1 > usr/sbin/laptop_mode:561: exit 1 ;; > > and also not yet known places, I presume. The exit status after > execution is not validated. Thank you.
-- Ritesh Raj Sarraf RESEARCHUT - http://www.researchut.com "Necessity is the mother of invention."
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