Re: service helper package
On Mon, Nov 26, 2007 at 04:51:38PM -0800, C.J. Adams-Collier wrote:
> On Mon, 2007-11-26 at 12:32 +0000, Jörg Sommer wrote:
> > C.J. Adams-Collier <cjcollier@gmail.com> wrote:
> > > # Fully qualified paths to required programs
> > > START_STOP_DAEMON=/sbin/start-stop-daemon
> > > CAT=/bin/cat
> > > ECHO=/bin/echo
> >
> > Why not use echo and cat? Calling echo this way the shell can't use the
> > builtin echo command and must spawn a new process.
>
> Is there a test to determine whether there is a builtin for a given
> command? If so, we could test for that and use it if it exists.
> Otherwise, use the fully qualified version
There's "type" and "command" and "which" and "whatis" (see the policy
huge long bug about this things) but I don't know why you would use
them at runtime (except I guess how debhelper does it with
if [ "`which ... 2>/null`" ]; ...)
Justin
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