#53 nfdump -I and stdin (-r -)

[gregg conklin]

$ nfdump -V
nfdump: Version: 1.6.3p1 $LastChangedDate: 2011-02-26 12:49:02 +0100 (Sat, 26 Feb 2011) $
$Id: nfdump.c 69 2010-09-09 07:17:43Z haag $

Using -I with stdin produces the error "Expect data file(s)."
-I Print flow statistics from file specified by -r, or timeslot specified by -R/-M.

$zcat nfcapd.201210140855.gz | nfdump -I -r -
Expect data file(s).