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=head1 NAME
reordercap - Reorder input file by timestamp into output file
=head1 SYNOPSIS
B<reordercap>
S<[ B<-n> ]>
S<[ B<-v> ]>
E<lt>I<infile>E<gt> E<lt>I<outfile>E<gt>
=head1 DESCRIPTION
B<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.
B<Reordercap> writes the output capture file in the same format as the input
capture file.
B<Reordercap> is able to detect, read and write the same capture files that
are supported by B<Wireshark>.
The input file doesn't need a specific filename extension; the file
format and an optional gzip compression will be detected automatically.
Near the beginning of the DESCRIPTION section of wireshark(1) or
L<https://www.wireshark.org/docs/man-pages/wireshark.html>
is a detailed description of the way B<Wireshark> handles this, which is
the same way B<reordercap> handles this.
=head1 OPTIONS
=over 4
=item -n
When the B<-n> option is used, B<reordercap> will not write out the output
file if it finds that the input file is already in order.
=item -v
Print the version and exit.
=back
=head1 SEE ALSO
pcap(3), wireshark(1), tshark(1), dumpcap(1), editcap(1), mergecap(1),
text2pcap(1), pcap-filter(7) or tcpdump(8)
=head1 NOTES
B<Reordercap> is part of the B<Wireshark> distribution. The latest version
of B<Wireshark> can be found at L<https://www.wireshark.org>.
It may make sense to move this functionality into B<editcap>, or perhaps
B<mergecap>, in which case B<reordercap> could be retired.
HTML versions of the Wireshark project man pages are available at:
L<https://www.wireshark.org/docs/man-pages>.
=head1 AUTHORS
Original Author
-------- ------
Martin Mathieson <martin.r.mathieson[AT]googlemail.com>
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