Give Tethereal a "-l" flag, as tcpdump has, to make the standard output

line-buffered.

svn path=/trunk/; revision=2451

1 files changed, 9 insertions, 0 deletions

diff --git a/doc/tethereal.pod.template b/doc/tethereal.pod.template
index ffc8e8904c..baace15209 100644
--- a/doc/tethereal.pod.template
+++ b/doc/tethereal.pod.template
@@ -11,6 +11,7 @@ S<[ B<-f> filter expression ]>
 S<[ B<-F> file format ]>
 S<[ B<-h> ]>
 S<[ B<-i> interface ]> 
+S<[ B<-l> ]>
 S<[ B<-n> ]>
 S<[ B<-o> preference setting ] ...>
 S<[ B<-p> ]>
@@ -125,6 +126,14 @@ there are any non-loopback interfaces, and choosing the first loopback
 interface if there are no non-loopback interfaces; if there are no
 interfaces, B<Tethereal> reports an error and doesn't start the capture.
 
+=item -l
+
+Make the standard output line buffered.  This may be useful when piping
+the output of B<Tethereal> to another program, as it means that the
+program to which the output is piped will see lines of output as soon as
+B<Tethereal> generates those lines, rather than seeing them only when
+the standard output buffer containing those lines fills up.
+
 =item -n
 
 Disables network object name resolution (such as hostname, TCP and UDP port