如何检查Macbook Lid是否通过终端关闭？ [英] How to Check if Macbook Lid is closed via Terminal?

问题描述

我正在运行OS X 10.8（Mountain Lion）。我想知道是否有终端命令来检查macbook pro的盖子是否当前关闭。如果我使用grep，我会准确查找哪些内容以及在哪里？

我之所以问这个问题，是因为我的计划任务是每30分钟运行一次。但是，当计算机正在休眠/休眠时，crontab不运行。我的解决方案是使用pmset每30分钟安排一次唤醒。但是，我需要一种方法在盖子当前关闭的情况下让电脑重新进入睡眠状态。我不希望我的电脑在盖子关闭的情况下长时间保持清醒状态，即在睡觉时整夜醒来，因为这会损坏屏幕。

方案

  ioreg -r -k AppleClamshellState -d 4 | grep AppleClamshellState |头部-1 
  

测试并运行于10.7。*，找到 here 。

更新2018-03-24 ：

仍然适用于macOS 10.13 High Sierra。

I'm running OS X 10.8 (Mountain Lion). I was wondering if there was a terminal command to check if the macbook pro's lid is currently closed. If I used grep, what would I be looking for exactly, and where?

The reason I ask is because I have cron jobs scheduled to run every 30 minutes. However, crontab doesn't run when the computer is sleeping/hibernating. My solution was to use pmset to schedule wakes every 30 minutes. However, I need a way to put my computer back to sleep on the condition that the lid is currently closed. I don't want my computer to be awake for too long with the lid closed i.e. awake all night when I'm sleeping because that could damage the screen.

解决方案

ioreg -r -k AppleClamshellState -d 4 | grep AppleClamshellState  | head -1

Tested and works on 10.7.*, found here.

Update 2018-03-24:

Still works on macOS 10.13 High Sierra.

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