illumos-port-bash/examples/functions/shcat2

shcat()
{
	while read -r
	do
		echo "$REPLY"
	done
}

shcat2()
{
	while [ $# -ge 1 ]; do
		case "$1" in
		-)	shcat ;;
		*)	shcat < "$1" ;;
		esac
		shift
	done
	exit 0
}