[Michael Tuexen <Michael.Tuexen@xxxxxxxxxxxxxxxxx>]

I understand that there is be a technical reason for that
by why has the user to deal with it?

Why can not the user specify a 'filter' and a 'value' and internally
you use 'filter&&value' for the first and value for the second. This
would make the user interaction much clearer (for me).

Best regards
Michael

On Mar 7, 2004, at 8:35 PM, Ronnie Sahlberg wrote:

> The reason is simple.
>
> The field specifid is the field we want to perform the 
> operation/calculation
> on.
>
> In order to be able to extract the value of that field from the packet
> dissection engine, that value
> must be part of the filter we use. Since otherwise  the packet 
> dissection
> subsystem will
> forget about the value before we can inspect it.
>
> the reason we must add the field variable and make it part of the 
> filter is
> because no one has written
> code yet to make that happen automatically in the background.
>
>
>
> ----- Original Message -----
> From: "Michael Tuexen"
> Sent: Monday, March 08, 2004 4:03 AM
> Subject: Re: [Ethereal-dev] IO Stat
>
>
> > I was  using ethereal. I do not understand why I have
> > to provide two filters, one is a substring of the other.
> >
> > Best regards
> > Michael
> >
> >
> > On Mar 7, 2004, at 12:28 AM, Richard Sharpe wrote:
> >
> > > On Thu, 26 Feb 2004, Ronnie Sahlberg wrote:
> > >
> > > > Use "tcp&&ip.len" as the filter and use "ip.len" as the field.
> > > >
> > > > the field variable must be part of the filter string
> > >
> > > Ummm, what exactly does that mean? Is this with Ethereal or 
> > > Tethereal?
> > >
> > > > ----- Original Message -----
> > > > From: "Michael Tuexen"
> > > > Sent: Thursday, February 26, 2004 2:37 AM
> > > > Subject: [Ethereal-dev] IO Stat
> > > >
> > > >
> > > > > Dear all,
> > > > >
> > > > > how do I use the IO stat advanced stuff to plot the sum of ip.len 
> > > > > for
> > > > > all
> > > > > packets containing tcp. I tried to use tcp as a filter and ip.len 
> > > > > as
> > > > > the
> > > > > field, but this does not work.
> > > > >
> > > > > Thank you very much for your help.
> > > > >
> > > > > Best regards
> > > > > Michael
> > > > >
> > > > > _______________________________________________
> > > > > Ethereal-dev mailing list
> > > > > Ethereal-dev@xxxxxxxxxxxx
> > > > > http://www.ethereal.com/mailman/listinfo/ethereal-dev
> > > >
> > > > _______________________________________________
> > > > Ethereal-dev mailing list
> > > > Ethereal-dev@xxxxxxxxxxxx
> > > > http://www.ethereal.com/mailman/listinfo/ethereal-dev
> > >
> > > --
> > > Regards
> > > -----
> > > Richard Sharpe, rsharpe[at]richardsharpe.com, rsharpe[at]samba.org,
> > > sharpe[at]ethereal.com, http://www.richardsharpe.com
> > >
> > > _______________________________________________
> > > Ethereal-dev mailing list
> > > Ethereal-dev@xxxxxxxxxxxx
> > > http://www.ethereal.com/mailman/listinfo/ethereal-dev
> >
> > _______________________________________________
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> > Ethereal-dev@xxxxxxxxxxxx
> > http://www.ethereal.com/mailman/listinfo/ethereal-dev
>
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