Great list. I've encountered almost all of these situations before and it's no fun if your bash script goes berserk. I would add that you should use an explici

Great list. I've encountered almost all of these situations before and it's no fun if your bash script goes berserk. I would add that you should use an explicit shebang such as #!/bin/bash instead of #!/bin/sh if your script is anything more complicated than a simple list of statements.