as for shell keyword be more important and vital to shells, than more external [or so?] built ins unset -v var ## very internal to shell var extension thatss not possible to disable [[ .. ## a test for strings or so containing ..
it would not make sense to have unset be lower than [[ On Tue, Mar 16, 2021 at 1:39 PM Alex fxmbsw7 Ratchev <fxmb...@gmail.com> wrote: > i guess shell-keyword all then :)) > > On Tue, Mar 16, 2021 at 1:37 PM Greg Wooledge <g...@wooledge.org> wrote: > >> On Tue, Mar 16, 2021 at 01:26:30PM +0100, Alex fxmbsw7 Ratchev wrote: >> > no idea about your internal rules of keyword and builtin >> >> unicorn:~$ type [ >> [ is a shell builtin >> unicorn:~$ type [[ >> [[ is a shell keyword >> >> You know how you're allowed to omit quotes inside [[ but not inside [ ? >> That's because [[ has magical powers. It's a "shell keyword". It has >> its own special rules. >> >> > but clearly its >> > gotta parse it at most 1. level otherwise its big security fault isnt it >> > its a shell fuctionality keyword, unset, so .. >> >> I would not complain if unset became a shell keyword, and had a complete >> revamp of its behavior. As long as we're willing to break backward >> compatibility, which Chet seems like he's aiming to do anyway.... >> >>
