On Mon, Jul 22, 2013 at 3:17 PM, Markus Teich <markus.te...@stusta.mhn.de> wrote: > > rx_now=0 > tx_now=0 > for i in /sys/class/net/*; do > if [[ -d "$i" && ${i##*/} != "lo" ]]; then > if [[ -f "$i/statistics/rx_bytes" ]]; then > rx_now=($rx_now+`cat $i/statistics/rx_bytes`) > fi > if [[ -f "$i/statistics/tx_bytes" ]]; then > tx_now=($tx_now+`cat $i/statistics/tx_bytes`) > fi > fi > done > let rx_rate=($rx_now-$rx_old) > let tx_rate=($tx_now-$tx_old) >
Might I ask what shell dialect is that written in? O_o cheers! mar77i