busybox-1.19.3/shell/ash_test/ash-read/read_n.tests - nest-learning-thermostat/5.1.6/busybox - Git at Google

 echo 'test' | (read reply; echo "$reply")
 echo 'test' | (read -n 3 reply; echo "$reply")
 echo 'test' | (read -n3 reply; echo "$reply")
	echo 'test' \| (read reply; echo "$reply")
	echo 'test' \| (read -n 3 reply; echo "$reply")
	echo 'test' \| (read -n3 reply; echo "$reply")