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Mac Tips

• 使用sips命令批量处理图片
• shift+command+delete自动清空废纸篓
• 维护Mac
  打开磁盘管理，点击“修复磁盘权限”，完成之后还可以手动执行维护脚本：

sudo periodic daily
sudo periodic weekly
sudo periodic monthly

• 截图
  全屏截图shift+command+3
  选取截图shift+command+4
• Homebrew
  Homebrew的功能和OS X自带的MacPorts很像，但是更为轻量级，由于大量利用了系统自带的库，安装方便，编译快速，是OS X系统开发中之必备工具。
  安装方式：
  ruby -e "$(curl -fsSL https://raw.github.com/mxcl/homebrew/go)"
  使用方式：
  brew install *** // 安装***工具
• 删除程序
  1.在应用程序文件夹下删除
  2.打开launchpad，按住option键，所有的程序图标都会晃动，点击图标左上角的叉，即可删除程序。
• 屏幕滚动到顶部或底部
  command+上下方向键
• 选择文本
  用command+鼠标，可以选中不同位置的文本内容
  用option+鼠标，可以对文本进行块选
• skim阅读器

Mac Commands

caffeinate

keep your computer from sleeping

examples:

Keep your computer awake for 1 hour:

caffeinate -t 3600 &

The -t argument is based on seconds, so an hour is 60 * 60 (3600). Note that you can still sleep your computer manually when caffeinate is running.

Keep your computer from idling until a Terminal command finishes

caffeinate -i long_running_script.sh

-i prevents “idle sleeping.” Other options include:

-d just prevents the display from sleeping
-m just prevents disks from sleeping when idle
-s keeps the whole system awake

Wake up your computer

caffeinate -u -t 1

-u replicates user activity. It causes the same reaction as moving a mouse or hitting a key after your Mac sleeps.

Alfred script

(caffeinate -t "$(({query}))") && pmset sleepnow

终端中打开文档管理器

open .