Re: text output from NetworkManager ?

[Borge Kile Gjelsten <b k gjelsten fys uio no>]

Alexander Sack wrote:
> On Fri, Oct 02, 2009 at 02:17:38PM +0200, Borge Kile Gjelsten wrote:
>   
> > Hi,
> >
> > I would like to use NetworkManager to dump info on the signal strength
> > (32%, 47%, etc.) into a text file at e.g. every 5 seconds, or some similar
> > approach which would help me test the wireless network at various
> > positions in a big office landscape.
> > I thought this might be doable from a terminal, but have found no way
> > so far.
> >
> > In principle I can of course get this information by moving the cursor
> > over the NetworkManager icon on my panel and read by eye.
> > This is however somewhat impractical.
> >
> > If what I seek is not possible with NetworkManager, is there some other
> > tool which allows me to monitor a wireless signal as a function of time?
> >
> > (I am using Ubuntu 9.04.)
> >     
>
>
> You could use dbus directly, but if you want this only for your own
> use  processing nm-tool output sounds easier. I don't think that
> nm-tool output changed from 0.7.x to 0.8, so this seems to get the
> strength of the current active AP(s) for me:
>
>   nm-tool | grep ^.*\ \\* | sed -e 's/.*Strength \([0-9]*\).*$/\1/'
>
> .. of course, that's nothing you should put into real software; use
> dbus for that :)
>
>  - Alexander
>
>   

Thanks, nm-tool does nearly all that I want.
However, only the active AP is updated on every issue of the command.
The other APs are updated every second minute only.
I wonder if there is some way to get also these updated
on every issue of the command.
Or is this where I should turn to dbus instead? 
BKG