#! /bin/bash

# This "prepare" block will cause evalParams():
# .tar.gz bash30-016:  disfunction ('case $opt' not executed)
# Fedora  bash-3.0-18: disfunction ('case $opt' not executed)
# Red Hat bash-2.05-8: OK (LSTOPTIONS="textarg")
prepare()
{
	local OPTIND
	while getopts ab got;do
		true
		done
}
prepare -a

evalParams()
{
	while getopts "p:" opt; do
		echo "opt=$opt OPTARG=$OPTARG"
		case $opt in
			p  )	echo NOT_EXECUTED_LINE; LSTOPTIONS="$OPTARG" ;;
			\? )	echo INVALID ; exit 1 ;;
		esac
	done
}

LSTOPTIONS=""
evalParams '-p textarg'
echo "LSTOPTIONS=$LSTOPTIONS"
test -z "$LSTOPTIONS" && echo BUG
test -n "$LSTOPTIONS" && echo OK