Shell Programming and Scripting

#!/bin/sh
echo > .in_script.log
echo "Install script started at `date`" >>.in_script.log
echo "Started in `pwd`" >>.in_script.log
echo " What is your name? \c"
read cust_name
echo "Customer name is $cust_name" >>.in_script.log
echo " Would you like to [I]nstall, or [U]ninstall? \c"
read in_question
echo "User selected $in_question for install / uninstall" >>.in_script.log
case $in_question in
i*|I*) blah ;;
u*|U*) blah2 ;;
*) echo "Eek! " ;;
esac
{.......}