https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=5716
Summary: dumpcap: -q option behavior doesn't match
documentation
Product: Wireshark
Version: 1.4.3
Platform: Other
OS/Version: Red Hat
Status: NEW
Severity: Normal
Priority: Low
Component: Extras
AssignedTo: wireshark-bugs@xxxxxxxxxxxxx
ReportedBy: jpo@xxxxxxxxxxxx
Build Information:
Dumpcap 1.4.3
Copyright 1998-2011 Gerald Combs <gerald@xxxxxxxxxxxxx> and contributors.
This is free software; see the source for copying conditions. There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
Compiled (64-bit) with GLib 2.22.5, with libpcap 1.0.0, with libz 1.2.3,
without
POSIX capabilities.
Running on Linux 2.6.32-44.2.el6.x86_64, with libpcap version 1.0.0, with libz
1.2.3.
Built using gcc 4.4.4 20100630 (Red Hat 4.4.4-10).
See http://www.wireshark.org for more information.
--
According to the dumpcap manpage the -q option should print the packet
statistics only at the end of the capture:
<quote>
-q When capturing packets, don't display the continuous count of
packets captured that is normally shown when saving a capture to a file;
instead, just display, at the end of the capture, a count of packets captured.
...
</quote>
Actually this description is not entirely correct: dumpcap 1.4.3 only prints
the dropped packets stats when the -q option is used (it fails to print the
captured packets stats).
Examples:
* No -q option; captured ended with Ctrl+C
# dumpcap -i eth0 -w /tmp/_.pcap
File: /tmp/_.pcap
Packets: 21 Packets dropped: 0
* -q option; captured ended with Ctrl+C
# dumpcap -i eth0 -w /tmp/_.pcap -q
File: /tmp/_.pcap
^CPackets dropped: 0
--
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