On Aug 13, 2014, at 2:31 PM, Ken Irving <ken.irv...@alaska.edu> wrote:
> I like the idea, but switch negation would need to be supported, and > I don't think that's been covered sufficiently. Using ! as a switch > modifier might be possible, and I like it, but would then also apply to > single filetest switches, e.g., -!e foo would be the same as ! -e foo. > Maybe that's possible, but it seems a fairly major addition to the syntax. Agree on all. > I'm a little confused about the 'before' example: > > if [[ -d foo ]] && [[ -r foo ]] && [[ -x foo ]] ; then . . . > > I thought that && could be used reliably within the [[ ]] construct, > including short-circuiting the tests, so this could be: > > if [[ -d foo && -r foo && -x foo ]] ; then . . . > > I don't see how the bundled switces could be ambiguous, so must be > missing something. Both forms work, which I didn't expect. Learn something new every day; thanks.
