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-rw-r--r--doc/dumpcap.pod4
1 files changed, 4 insertions, 0 deletions
diff --git a/doc/dumpcap.pod b/doc/dumpcap.pod
index ff8ea76c67..4dbf25f786 100644
--- a/doc/dumpcap.pod
+++ b/doc/dumpcap.pod
@@ -129,6 +129,10 @@ every hour on the hour.
B<packets>:I<value> switch to the next file after it contains I<value>
packets.
+B<printname>:I<filename> print the name of the most recently written file
+to I<filename> after the file is closed. I<filename> can be C<stdout> or C<->
+for standard output, or C<stderr> for standard error.
+
Example: B<-b filesize:1000 -b files:5> results in a ring buffer of five files
of size one megabyte each.