Ethereal-users: Re: [Ethereal-users] Using Tethereal to create Protocol Hierarchy Statistics

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From: Guy Harris <guy@xxxxxxxxxx>
Date: Wed, 8 Jan 2003 11:52:00 -0800
On Wed, Jan 08, 2003 at 01:13:31PM -0500, Rodrigo Bonfa  Drago wrote:
> tethereal -z io,phs /tmp/teste
> 
> and occurred the error:
> 
> tethereal: Unable to parse filter string (parse error).

Any arguments to Tethereal after the command-line options are treated as
tokens in a filter expression (it behaves like tcpdump and snoop in that
regard).  Therefore, it treated "/tmp/teste" as a filter expression, and
that's not a valid filter expression.

If you want to give Tethereal the name of a file to read, you have to do
it with the "-r" option:

	tethereal -z io,phs -r /tmp/teste