Colin Watson <[EMAIL PROTECTED]> [2003-01-05 13:46:32 +0000]: > > find . -maxdepth 1 -name '*.jpg' -print | head -n 1 | grep -q . > > -q already stops at the first match, so there is no need to do this.
[I had to check. ;-) The option -q sets done_on_match and the code
quits at the first chance it can.
grep.c: line 497:
static int done_on_match; /* Stop scanning file on first match */
]
Sweet! I did not know that. Thanks for educating me.
> shall be the exit status of the last command specified in the pipeline
[Therefore I no longer need to worry about the last command that exits
versus the last command in the pipeline.]
I have some scripts that can be cleaned up and simplified.
Thanks again!
Bob
msg22544/pgp00000.pgp
Description: PGP signature
