On Thu, 15 Aug 2002 13:50:52 -0700
"Mad Scientist" <[EMAIL PROTECTED]> wrote:
> > On Thu, 15 Aug 2002, Randy Kramer wrote:
> >> 1. Anybody know a good way to detect that a network link is active?
>
> The following will output a 1 to standard out if <interface> is up. I tested
> with eth0 but I assume it will work with ppp0 as well.
>
> ifconfig | grep <interface> -A 2 | grep -c UP
>
> -Mad
>
> --
> Madness is soil in which creativity grows
>
> - Chris Bielek
>
>
-A 3 works in more cases. for ex, if u have a line beginning with adr inet6.
eth0 Lien encap:Ethernet HWaddr xx:xx:xx:xx:xx:xx
inet adr:x.x.x.x Bcast:x.x.x.x Masque:x.x.x.x
adr inet6: xxxx::xxx:xxxx:xxxx:xxxx/xx Scope:Lien
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
bye
jipe
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