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NAME | SYNOPSIS | DESCRIPTION | OPTIONS | DIAGNOSTIC OPTIONS | SEE ALSO | NOTES | AUTHORS |
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REORDERCAP(1) REORDERCAP(1)
reordercap - Reorder input file by timestamp into output file
reordercap [ -n ] <infile> <outfile>
reordercap -h|--help
reordercap -v|--version
Reordercap is a program that reads an input capture file and
rewrites the frames to an output capture file, but with the frames
sorted by increasing timestamp.
This functionality may be useful when capture files have been
created by combining frames from more than one well-synchronised
source, but the frames have not been combined in strict time
order.
Reordercap writes the output capture file in the same format as
the input capture file.
Reordercap is able to detect, read and write the same capture
files that are supported by Wireshark. The input file doesn’t need
a specific filename extension; the file format and an optional
gzip, zstd or lz4 compression will be automatically detected. Near
the beginning of the DESCRIPTION section of wireshark(1) or
https://www.wireshark.org/docs/man-pages/wireshark.html is a
detailed description of the way Wireshark handles this, which is
the same way reordercap handles this.
-h|--help
Print the version number and options and exit.
-n
When the -n option is used, reordercap will not write out the
output file if it finds that the input file is already in
order.
-v|--version
Print the full version information and exit.
--log-level <level>
Set the active log level. Supported levels in lowest to
highest order are "noisy", "debug", "info", "message",
"warning", "critical", and "error". Messages at each level and
higher will be printed, for example "warning" prints
"warning", "critical", and "error" messages and "noisy" prints
all messages. Levels are case insensitive.
--log-fatal <level>
Abort the program if any messages are logged at the specified
level or higher. For example, "warning" aborts on any
"warning", "critical", or "error" messages.
--log-domains <list>
Only print messages for the specified log domains, e.g.
"GUI,Epan,sshdump". List of domains must be comma-separated.
Can be negated with "!" as the first character (inverts the
match).
--log-debug <list>
Force the specified domains to log at the "debug" level. List
of domains must be comma-separated. Can be negated with "!" as
the first character (inverts the match).
--log-noisy <list>
Force the specified domains to log at the "noisy" level. List
of domains must be comma-separated. Can be negated with "!" as
the first character (inverts the match).
--log-fatal-domains <list>
Abort the program if any messages are logged for the specified
log domains. List of domains must be comma-separated.
--log-file <path>
Write log messages and stderr output to the specified file.
pcap(3), wireshark(1), tshark(1), dumpcap(1), editcap(1),
mergecap(1), text2pcap(1), pcap-filter(7) or tcpdump(8)
This is the manual page for Reordercap 4.5.0. Reordercap is part
of the Wireshark distribution. The latest version of Wireshark can
be found at https://www.wireshark.org.
It may make sense to move this functionality into editcap, or
perhaps mergecap, in which case reordercap could be retired.
HTML versions of the Wireshark project man pages are available at
https://www.wireshark.org/docs/man-pages.
Original Author
Martin Mathieson <martin.r.mathieson[AT]googlemail.com>.SH
COLOPHON This page is part of the wireshark (Interactively dump
and analyze network traffic) project. Information about the
project can be found at ⟨https://www.wireshark.org/⟩. If you have
a bug report for this manual page, see
⟨https://gitlab.com/wireshark/wireshark/-/issues⟩. This page was
obtained from the project's upstream Git repository
⟨https://gitlab.com/wireshark/wireshark.git⟩ on 2025-08-11. (At
that time, the date of the most recent commit that was found in
the repository was 2025-08-11.) If you discover any rendering
problems in this HTML version of the page, or you believe there is
a better or more up-to-date source for the page, or you have
corrections or improvements to the information in this COLOPHON
(which is not part of the original manual page), send a mail to
[email protected]
2025-03-07 REORDERCAP(1)
Pages that refer to this page: editcap(1)
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HTML rendering created 2025-09-06 by Michael Kerrisk, author of The Linux Programming Interface. For details of in-depth Linux/UNIX system programming training courses that I teach, look here. Hosting by jambit GmbH. |
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