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Re: [PATCH] Allow "make compare" to use "make gnucompare" automatically


On Apr 30, 2003, Andreas Schwab <schwab@suse.de> wrote:

> Alexandre Oliva <aoliva@redhat.com> writes:
>> On Apr 30, 2003, Andreas Schwab <schwab@suse.de> wrote:
>> 
>> >   if cmp --ignore-initial=2 t1 t2 &&
>> >      if cmp --ignore-initial=1 t1 t2; then false; else true; fi; then
>> 
>> Are you sure this is portable?  I've always wondered about it, never
>> daring to try it with a wider audience :-)

> I can't see anything unportable here, it's just plain Bourne Shell.

I'm not sure the exit status of the last command of then or else
is always used as the exit status of the entire if.

-- 
Alexandre Oliva   Enjoy Guarana', see http://www.ic.unicamp.br/~oliva/
Red Hat GCC Developer                 aoliva@{redhat.com, gcc.gnu.org}
CS PhD student at IC-Unicamp        oliva@{lsd.ic.unicamp.br, gnu.org}
Free Software Evangelist                Professional serial bug killer


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