I have a script which runs multiple commands and I want to return a 0 exit code if all is well, 1 if not. In the first iteration, my script looks like this:

make foo
make bar

The problem is, if make foo failed, my script does not return an exit code of 1 because that exit code was overwritten by make bar, which passed.

Second iteration:

RC=0
make foo || RC=1
make bar || RC=1
exit $RC

This works, but it is cumbersome. Is there a better way?

Update

To clarify, I want to run all the commands no matter what. So, if make foo failed, I still want to run make bar after that. This is part of a pipeline, so I want to run all commands, only to return the code at the end where 0=OK, 1=Some command failed.

CodePudding user response：

You can use an ERR trap to update the value of RC if a command fails.

trap 'RC=1' ERR

...

exit $RC

If RC never gets set, making the final command exit with no argument, the exit status of the last command is used, but that's 0 by virtue of the trap never being triggered.