while kill -0 $pid devnull 2&1; do ret=$cat 1log if $ret = 0 ; then echo 安装成功 elif $ret = 1 ; then echo 安装失败 else echo 脚本内部运行失

while ! kill -0 $pid > /dev/null 2>&1; do ret=$(cat 1.log) if [ "$ret" = "0" ]; then echo "安装成功" elif [ "$ret" = "1" ]; then echo "安装失败" else echo "脚本内部运行失败 这是脚本的问题 请反馈给开发者" fi done