custom shell script .. OT maybe .

[Parv]

Nothing much for OP...

in message <20041104103013.GA1325 at orion.daedalusnetworks.priv>,
wrote Giorgos Keramidas thusly...
>
> On 2004-11-04 09:26, "Daan Vreeken [PA4DAN]" <Danovitsch at Vitsch.net> wrote:
> > On Thursday 04 November 2004 08:42, faisal gillani wrote:
> > >
> > > well i want to make a simple/wieard shell script :) which
> > > checks somehow connection with the internet & rename some file
> > > files if it finds connectivity with the internet , & do
> > > nothing of it dont find connectivity with the internet ...is
> > > it possible with simple shell script ?  or do i have to learn
> > > some scripting language for that ?

In the long range, learning will be better.


> > #!/bin/sh
> >
> > connection=0
> > ping -c 5 -t 6 some.host.on.the.internet && connection=1
> 
> Ping may be a bit unreliable at times.  If you know the interface
> name you can probably get away by using ifconfig to short-cut
> through the checks.

Problem w/ not actually testing a connection is that there may be an
address assigned to the interface (and it would be up) but lacking
a meaningful connection, say, courtesy of firewall/dhcp running
order/configuration.  Well that was my problem w/ ipf & dhcp
involving a NIC anyway.


  - Parv

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