Ethereal-users: [Ethereal-users] using mergecap with stdout

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From: Davis Michael E PHCA <DavisME@xxxxxxxxxxxxxxxx>
Date: Mon, 13 May 2002 14:45:14 -0700
I am attempting to use mergecap like this: "mergecap -aT ether -w -
dumpfiles*.gz | tcpdump -r -" but it fails.  It will write to a file but it
doesn't seem to recognize "-" as stdout.  Anything that runs on unix should
be able write to "-".

By the same token, tcpdump should be able to handle something like "tcpdump
-r dumpfile*" but it doesn't.  It also fails on "gunzip -c  dumpfile*.gz |
tcpdump -r -".