read3.sub

来自「android-w.song.android.widget」· SUB 代码 · 共 20 行

# 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
}

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