On Mon, Feb 11, 2019 at 08:58:03PM +0100, SZEDER Gábor wrote: > Use a '!' character to start a non-matching pattern bracket > expression, as specified by POSIX in Shell Command Language section > 2.13.1 Patterns Matching a Single Character [1]. Just when I think I know every little gotcha in the shell, I learn another one. :) Thanks for fixing this, and for digging up the POSIX reference. -Peff