Dmitry V. Levin wrote: > > -trap 'rm -fr $tmpfiles' 1 2 3 15 > > +trap 'rm -fr $tmpfiles; exit 77' 1 2 3 15 > > According to "Limitations of Builtins" chapter in the autoconf > manual, plain "exit 77" is not portable; it has to be written > as "(exit 77); exit 77".
Plain "exit 77" is not portable ONLY if the shell script has a 'trap' handler installed for condition 0. Said unit tests don't have a trap handler for condition 0. Bruno
