Unnamed

#!/bin/bashif [ ! [ $0 =  2 ] ]then        echo "Use: bla.sh <interface> <up|down>"        exit 1fiif [ [ $2 = 'up' ] ]then        i=2else        i=10fiecho "$((`cat /proc/net/dev | grep $1 | awk "{ print $i }'"  / 1024))kb"