The "shebang" treats everything after the binary as a single argument. It only does one argument from the shebang and the file itself as the final argument. So

The "shebang" treats everything after the binary as a single argument. It only does one argument from the shebang and the file itself as the final argument. So it would run that kinda like bash '-e -u' $file But you can do #!/bin/bash -eu