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-rw-r--r--listen/listen.man18
1 files changed, 16 insertions, 2 deletions
diff --git a/listen/listen.man b/listen/listen.man
index 3a3d231..797ead9 100644
--- a/listen/listen.man
+++ b/listen/listen.man
@@ -2,7 +2,7 @@
.SH NAME
@@@listen@@@ \- monitor AX.25 traffic
.SH SYNOPSIS
-.B @@@listen@@@ [-8] [-a] [-c] [-h] [-i] [-p port] [-r] [-t] [-v]
+.B @@@listen@@@ [-8] [-a] [-c] [-h] [-i] [-p port] [-r] [-t..] [-v]
.SH DESCRIPTION
.LP
.B @@@Listen@@@
@@ -57,7 +57,21 @@ Dump the data portion in a "readable" fashion, which is more suitable
for tracing plaintext AX.25 traffic. CR-LF conversion is done.
.TP 10
.BI \-t
-Displays a timestamp with each packet received.
+Don't print a timestamp on each dump line.
+.TP 10
+.BI -tt
+Print an unformatted timestamp on each dump line.
+.TP 10
+.BI -ttt
+Print a delta (micro-second resolution) between current and previous line
+on each dump line.
+.TP 10
+.BI -tttt
+Print a timestamp in default format proceeded by date on each dump line.
+.TP 10
+.BI -ttttt
+Print a delta (micro-second resolution) between current and first
+line on each dump line.
.TP 10
.BI \-v
Display the version.