为Xcode添加删除行、复制行快捷键

修改权限

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修改Xcode里快捷键的配置文件(plist)权限，打开终端输入如下两条命令：

sudo chmod 666 /Applications/Xcode.app/Contents/Frameworks/IDEKit.framework/Resources/IDETextKeyBindingSet.plist
sudo chmod 777 /Applications/Xcode.app/Contents/Frameworks/IDEKit.framework/Resources/

增加快捷方式

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权限修改完以后，在终端里继续输入如下命令打开plist文件进行修改（默认是Xcode打开），命令如下：

open /Applications/Xcode.app/Contents/Frameworks/IDEKit.framework/Resources/IDETextKeyBindingSet.plist

删除一行

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在root下的Deletions

key:

Delete Current Line

value:

deleteToBeginningOfLine:, moveToEndOfLine:, deleteToBeginningOfLine:, deleteBackward:, moveDown:, moveToBeginningOfLine

复制一行

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在root下的Insertions and Indentations

key:

Duplicate Current Line

value:

selectLine:, copy:, moveToEndOfLine:

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Plist文件效果图

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在Xcode里设置快捷键效果图：