read2.sub

来自「android-w.song.android.widget」· SUB 代码 · 共 33 行

a=4

read -t 2 a < /dev/tty
estat=$?
if [ $estat -gt 128 ]; then
	echo timeout 1: ok
else
	echo $estat
fi

echo $a

sleep 5 | read -t 1 a
estat=$?
if [ $estat -gt 128 ]; then
	echo timeout 2: ok
else
	echo $estat
fi

echo $a

read -t -3 a < /dev/tty
echo $?

echo $a

# the above should all time out
echo abcde | {
	read -t 2 a
	echo $a
}