2011/10/24 Jérémie Roquet > From the man, section “conditional expressions” : > > “File generation is not performed on any form of argument to conditions.” > This isn't file _generation_, is it? Or am I not understanding zsh's terms? TjL ps -- thanks to the other responders as well. Glad to know I wasn't just doing it wrong, but that it just doesn't work the way I thought. I guess I still don't fully understand why / when to use [[ ]] instead of [ ]