#!/bin/sh file=/proc/sys/net/core/netdev_max_backlog output=datapoints receiver=root@204.174.223.117 set -e :>"$output" for i in 1 5 $(seq 10 10 100) $(seq 150 50 1000) $(seq 1200 200 3000) $(seq 4000 1000 10000); do echo $i > $file sleep .2 (echo -ne "$i\t"; \ ssh -c arcfour "$receiver" "rttm -rxc 1 eth1 30 | sed 's/ OUT:.*//'") | tee -a "$output" done