Created originally on Bitbucket by daniel_fort (Daniel Fort)
Was already merged in Bitbucket before import, marked as merged by the import user
Changed shebang in bash scripts. This should make them more portable. An issue came up because the Macintosh uses an older version of bash in /bin/bash and we want to use a newer Homebrew installed version in /user/local/bin/bash without breaking other setups.
Suppress printing an error message if the command isn’t found.