examples/get-mac-address.sh

   1 #!/bin/sh
   2
   3 set -e
   4
   5 export LANG=C
   6
   7 iface="$1"
   8 mac=$(/sbin/ifconfig "$iface" | sed -n -e '/^.*HWaddr \([:[:xdigit:]]*\).*/{s//\1/;y/ABCDEF/abcdef/;p;q;}')
   9 which=""
  10
  11 while read testmac scheme; do
  12         if [ "$which" ]; then continue; fi
  13         if [ "$mac" = "$(echo "$testmac" | sed -e 'y/ABCDEF/abcdef/')" ]; then which="$scheme"; fi
  14 done
  15
  16 if [ "$which" ]; then echo $which; exit 0; fi
  17 exit 1