#!/bin/sh function failed { printf "dhcpcd test suite FAILED\n" >&1 exit 1 } LINK=$(iplink | grep eth0 | grep UP) ADDR=$(echo `ifconfig eth0 2>/dev/null|awk '/inet addr:/ {print $2}'|sed 's/addr://'`) [ -z "${LINK}" ] && failed [ -z "${ADDR}" ] && failed printf "dhcpcd test suite PASSED\n" >&1