Holger Wahlen <H(_dot_)Wahlen(_at_)gmx(_dot_)de> schrieb:
dman wrote:
:0fW
* ?(echo "$FROM" | $FGREP -i -f $HOME/.procmail/spam)
| /usr/bin/formail -I "Status: R"
[...]
By the way, fgrep will become confused if $FROM starts with a
hyphen.
No, it's not seen as a command line argument, but read from standard
input (unless FGREP is set to "xargs fgrep" :-)); no problem with
leading hyphens there.
What version of fgrep are you using? Modern fgrep implies the `-f'
already -- unless I've misunderstood something about your syntax.
I think you have: he's not telling fgrep to look for the pattern $FROM
in the file $HOME/.procmail/spam, but the other way around (with the
same result): standard input (as provided by echo) is checked for all
patterns in the file (hence -f). Your method
Okay. Thanks, Holger. I will have to save your post and study it
further later to bolster my grok of grep. :-)
* ? $FGREP -qsix -e "$FROM" some/file
is more elegant, though. (And *there* you need the -e to deal with
leading hyphens.)
Thanks.
--
dman
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