User:Pepsimax2k
From DD-WRT Wiki
Random bash code...
Telnet to router from router, save output to file, grep file for term
sh /tmp/yourscript | tee /tmp/ipinfo
#!/bin/sh myuser=root mypass=password myhost="192.168.1.2 23" mycmd="uptime" (echo -e "$myuser\r"; sleep 1; echo -e "$mypass\r"; sleep 1; sleep 1; echo -e "$mycmd\r"; sleep 5; ) | telnet $myhost echo -e "exit\r"
if [ "`cat ipinfo | grep " 12 days"`" != "" ]; then echo "woohoo"; fi;