<key>sfce Commands</key>
<dict>
<key>sfce Duplicate Current Line</key>
<string>selectLine:, copy:, moveToEndOfLine:, insertNewline:, paste:, deleteBackward:</string>
<key>sfce Delete Current Line</key>
<string>moveToEndOfLine:, deleteToBeginningOfLine:, deleteBackward:, moveDown:, moveToEndOfLine:</string>
<key>sfce Move Current Line Up</key>
<string>selectLine:, cut:, moveUp:, moveToBeginningOfLine:, insertNewLine:, paste:, moveBackward:</string>
<key>sfce Move Current Line Down</key>
<string>selectLine:, cut:, moveDown:, moveToBeginningOfLine:, insertNewLine:, paste:, moveBackward:</string>
<key>sfce Insert Line Above</key>
<string>moveUp:, moveToEndOfLine:, insertNewline:</string>
<key>sfce Insert Line Below</key>
<string>moveToEndOfLine:, insertNewline:</string>
</dict>
将以上代码放入/Applications/Xcode.app/Contents/Frameworks/IDEKit.framework/Versions/A/Resources/IDETextKeyBindingSet.plist文件
的最后的这两行之前：
</dict>
</plist>原文：http://www.cnblogs.com/sfce/p/4221951.html