[PATCH] minor tweak to keep network-bridge working in busybox environment

[David Lively <dlively@virtualiron.com>]

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Hi Folks -
  The latest tweak to the network-bridge script doesn't work in a
busybox environment (because the busybox version of 'awk' is a
little too feeble).  The attached patch fixes this, while keeping it
working in a more capable environment.  (It also generalizes the
vifnum extraction slightly - stripping all leading non-numeric chars
from the default ifname.)

Dave


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Make the latest network-bridge tweaks work in a busybox environment too.

Signed-off-by: David Lively <dlively@virtualiron.com>

diff -r aa17b7173325 tools/examples/network-bridge
--- a/tools/examples/network-bridge	Thu May 18 21:41:56 2006 +0100
+++ b/tools/examples/network-bridge	Fri May 19 14:00:34 2006 -0400
@@ -59,7 +59,7 @@ findCommand "$@"
 findCommand "$@"
 evalVariables "$@"
 
-vifnum=${vifnum:-$(ip route list | awk '/^default / { sub(/^(eth|xenbr)/,"",$NF); print $NF }')}
+vifnum=${vifnum:-$(ip route list | awk '/^default / { print $NF }' | sed -r 's/[^0-9]+//')}
 bridge=${bridge:-xenbr${vifnum}}
 netdev=${netdev:-eth${vifnum}}
 antispoof=${antispoof:-no}

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