watch: inform about optional argument for -d switch

The -d, --differences switch(s) can use optional argument that was
not documented earlier.

Reported-By: Marian Sigler <m@qjym.de>
Bug-Debian: http://bugs.debian.org/597021
Signed-off-by: Sami Kerola <kerolasa@iki.fi>
This commit is contained in:
Sami Kerola
2012-02-11 21:00:05 +01:00
parent 1af18c260a
commit 529fa2e615
2 changed files with 6 additions and 3 deletions

View File

@ -15,8 +15,10 @@ program is run every 2 seconds.
will run until interrupted.
.SH OPTIONS
.TP
\fB\-d\fR, \fB\-\-differences\fR
Highlight the differences between successive updates.
\fB\-d\fR, \fB\-\-differences\fR [\fIpermanent\fR]
Highlight the differences between successive updates. Option will read
optional argument that changes highlight to be permanent, allowing to see what
has changed at least once since first iteration.
.TP
\fB\-n\fR, \fB\-\-interval\fR \fIseconds\fR
Specify update interval. The command will not allow quicker than 0.1 second