Rename your computer depending on your chassis+yourmacserialnumber

macrenamer.sh

#!/bin/bash
# uniMIS renamer script -- use with ComputerName name below
# By Gilbert Palau, Enterprise OS X - www.enterpriseosx.com
#
# this script renames the mac by chassi type + serial number: ??-SERIAL
#
# variables:
laptop="ML-"
workstation="MW-"
server="S-"
tld="your.network.com"
# grabbing mac serial number...
serial=$(ioreg -l |grep "IOPlatformSerialNumber"|cut -d ""="" -f 2|sed -e s/[^[:alnum:]]//g)
# and model name...
model=$(ioreg -l |grep "product-name" |cut -d ""="" -f 2|sed -e s/[^[:alnum:]]//g | sed s/[0-9]//g)
# renaming based on model ie. prefix-computerserial.tld
case "$model" in
				"MacBookPro" )
				/usr/sbin/scutil --set ComputerName "$laptop$serial"
				/usr/sbin/scutil --set LocalHostName "$laptop$serial"
				/usr/sbin/scutil --set HostName "${laptop}${serial}.${tld}"
				echo "$model"
				echo "$laptop$serial"
				echo "${laptop}${serial}.${tld}"
				;;
				"MacBookAir" )
				/usr/sbin/scutil --set ComputerName "$laptop$serial"
				/usr/sbin/scutil --set LocalHostName "$laptop$serial"
				/usr/sbin/scutil --set HostName "${laptop}${serial}.${tld}"
				echo "$model"
				echo "$laptop$serial"
				echo "${laptop}${serial}.${tld}"
				;;
				"MacPro" )
				/usr/sbin/scutil --set ComputerName "$workstation$serial"
				/usr/sbin/scutil --set LocalHostName "$workstation$serial"
				/usr/sbin/scutil --set HostName "${workstation}${serial}.${tld}"
				echo "$model"
				echo "$workstation$serial"
				echo "${workstation}${serial}.${tld}"
				;;
				"iMac" )
				/usr/sbin/scutil --set ComputerName "$workstation$serial"
				/usr/sbin/scutil --set LocalHostName "$workstation$serial"
				/usr/sbin/scutil --set HostName "${workstation}${serial}.${tld}"
				echo "$model"
				echo "$workstation$serial"
				echo "${workstation}${serial}.${tld}"
				;;
				"Macmini" )
				/usr/sbin/scutil --set ComputerName "$workstation$serial"
				/usr/sbin/scutil --set LocalHostName "$workstation$serial"
				/usr/sbin/scutil --set HostName "${workstation}${serial}.${tld}"
				echo "$model"
				echo "$workstation$serial"
				echo "${workstation}${serial}.${tld}"
				;;
				"Xserve" )
				/usr/sbin/scutil --set ComputerName "$server$serial"
				/usr/sbin/scutil --set LocalHostName "$server$serial"
				/usr/sbin/scutil --set HostName "${server}${serial}.${tld}"
				echo "$model"
				echo "$server$serial"
				echo "${server}${serial}.${tld}"
				;;
				* )
				echo "Computer model not found."
				exit 0
				;;
esac