ios_devlist.pl — Generate simple list of all devices
$NMSTOOLS_HOME/bin/ios_devlist.pl {--base dirname} | {--nodes filename --chassis dirname --configs dirname --out outfile} [--noconfigs]
The program analyses the output of "show ver" and "show running" and builds the list of devices, including the device name, chassis platform, IOS version, and Loopback0 IP address.