新增MAC环境下定时任务at的说明

zhanghe06 · zhanghe06 · commit 6af6cd8d85f8 · 2017-08-04T22:19:12.000+08:00
diff --git a/Mac.md b/Mac.md
@@ -103,3 +103,22 @@ EF0C7F72D8917DB538A0245E46BFD6B1
 &#10007; sudo mv Install\ macOS\ Sierra.app ~/tools/
 ```
 &#28982;&#21518;&#21487;&#20197;&#21046;&#20316;U&#30424;&#21551;&#21160;&#30424;
+
+
+## at
+
+Mac &#29615;&#22659;&#19979;&#65292;&#24517;&#39035;&#20808;&#21551;&#21160; atrun (&#40664;&#35748;&#26159;&#20851;&#38381;&#30340;)
+```bash
+man atrun  # &#26597;&#30475;&#25991;&#26723;
+sudo launchctl load -w /System/Library/LaunchDaemons/com.apple.atrun.plist  # &#24320;&#21551;&#26381;&#21153;
+sudo launchctl unload -w /System/Library/LaunchDaemons/com.apple.atrun.plist  # &#20851;&#38381;&#26381;&#21153;
+```
+
+&#23450;&#26102;&#20219;&#21153;
+```bash
+echo `date`
+at now + 1 minute <<< "/bin/echo `date` > /tmp/time.log"
+at now + 10 minutes <<< "/bin/echo `date` > /tmp/time.log"   # &#21019;&#24314;&#20219;&#21153;
+at -l       # &#21015;&#20986;&#20219;&#21153;
+at -c 1     # &#26174;&#31034;&#20219;&#21153;&#20869;&#23481;
+```

-Original file line number
+Diff line change
 ✗ sudo mv Install\ macOS\ Sierra.app ~/tools/
 ```
 然后可以制作U盘启动盘
++
++
 +## at
++
 +Mac 环境下，必须先启动 atrun (默认是关闭的)
 +```bash
 +man atrun  # 查看文档
 +sudo launchctl load -w /System/Library/LaunchDaemons/com.apple.atrun.plist  # 开启服务
 +sudo launchctl unload -w /System/Library/LaunchDaemons/com.apple.atrun.plist  # 关闭服务
 +```
++
 +定时任务
 +```bash
 +echo `date`
 +at now + 1 minute <<< "/bin/echo `date` > /tmp/time.log"
 +at now + 10 minutes <<< "/bin/echo `date` > /tmp/time.log"   # 创建任务
 +at -l       # 列出任务
 +at -c 1     # 显示任务内容
 +```