Andreas, I expected the '!' to reverse the exit code, such that if the grep return 0 (success), the expression would return 1 (failure); if the grep returned non-zero (failure), the expression would return 0 (success). i.e. I expected the '!' to behave like it does in C.
-David On Mon, Aug 19, 2013 at 3:43 AM, Andreas Schwab <sch...@suse.de> wrote: > David Lehmann <david.lehm...@alumni.rutgers.edu> writes: > > > ! grep hello x**** > > ! causes the shell to ignore -e. > > Andreas. > > -- > Andreas Schwab, SUSE Labs, sch...@suse.de > GPG Key fingerprint = 0196 BAD8 1CE9 1970 F4BE 1748 E4D4 88E3 0EEA B9D7 > "And now for something completely different." >
