2019-09-25 22:29:36 +0100, Harald van Dijk: [...] > 1a. Invalid character classes: > > case x in [x[:bogus:]]) echo x ;; esac # bash,bosh,mksh,nbsh,osh,zsh > case x in [![:bogus:]]) echo x ;; esac # above except osh [...]
See also https://www.mail-archive.com/austin-group-l%40opengroup.org/msg02247.html (and the rest of that thread). -- Stephane
