> If $4 is empty this expands to "if expr ...", otherwise you get "ok=yes > ... if test $ok = yes; then ... elif expr ..."
Thanks for the explanation! I didn't realise it was trying to be that clever. Thanks, Jay.
> If $4 is empty this expands to "if expr ...", otherwise you get "ok=yes > ... if test $ok = yes; then ... elif expr ..."
Thanks for the explanation! I didn't realise it was trying to be that clever. Thanks, Jay.