# non-interactive

# error
read -n -1

# from pipe -- should work, but doesn't change tty attributes
echo abcdefg | {
	read -n 3 xyz
	echo $xyz
}

# fewer chars than specified
echo ab | {
	read -n 3 xyz
	echo $xyz
}

echo abc | {
	read -N 4 -d$'\n' foo
	echo $foo
}

read -n 1 < $0
echo "$REPLY"
