exit $1
}
- NETDEVICES="$(cat /proc/net/dev | awk -F: '/[0-9]:/{print $1}')"
+ NETDEVICES="$(grep -ve 'lo:' -ve 'Inter-|' -ve 'face |bytes' /proc/net/dev | awk -F: '{print $1}')"
wireless(){
- case "$(cat /proc/net/wireless 2>/dev/null)" in *$1*) return 0;; esac
+ [ -d "/sys/class/net/${1}/wireless" ] && return 0
# Card exists but is not configured yet
[ -n "$(iwconfig $1 2>/dev/null | head -1)" ] && return 0
return 1