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| author | John Thacker <johnthacker@gmail.com> | 2022-04-07 20:57:08 -0400 |
|---|---|---|
| committer | John Thacker <johnthacker@gmail.com> | 2022-04-07 20:57:08 -0400 |
| commit | f0f0f05060a16141a1a06be233b2884d6cc56e71 (patch) | |
| tree | 9d0cbd033f5fe0ddc3bf2df8c087ce9f4f913903 /doc | |
| parent | 37ccc2b0e58b9f7ea3479f721f3909e340d4cfea (diff) | |
editcap: Document use of stdin and stdout
Editcap accepts '-' for stdin or stdout, document that. Also change
an incorrect statement that claims that the '-v' flag writes to
standard output; it writes to standard error.
Diffstat (limited to 'doc')
| -rw-r--r-- | doc/editcap.adoc | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/doc/editcap.adoc b/doc/editcap.adoc index b644e44669..35d9e8f814 100644 --- a/doc/editcap.adoc +++ b/doc/editcap.adoc @@ -60,7 +60,8 @@ __infile__, optionally converts them in various ways and writes the resulting packets to the capture __outfile__ (or outfiles). By default, it reads all packets from the __infile__ and writes them to the -__outfile__ in pcapng file format. +__outfile__ in pcapng file format. Use '-' for __infile__ or __outfile__ +to read from standard input or write to standard output, respectively. The *-A* and *-B* option allow you to limit the time range from which packets are read from the __infile__. @@ -184,7 +185,7 @@ If a match is found, the current packet is skipped. The use of the option *-D 0* combined with the *-v* option is useful in that each packet's Packet number, Len and MD5 Hash will be printed -to standard out. This verbose output (specifically the MD5 hash strings) +to standard error. This verbose output (specifically the MD5 hash strings) can be useful in scripts to identify duplicate packets across trace files. |