Xcode - Duplicate Line key binding

duplicate_line_xcode.md

Xcode line duplicate

Bind keys to duplicate lines in Xcode

1. Open below directory in Finder with Cmnd + Shift + G

/Applications/Xcode.app/Contents/Frameworks/IDEKit.framework/Versions/A/Resources/

2. Open IDETextKeyBindingSet.plist with a text editor.

3. Add this in:

<key>User</key>
<dict>
    <key>Duplicate Current Lines Down</key>
    <string>selectParagraph:, delete:, yank:, moveToBeginningOfParagraph:, yank:, moveUp:, moveToEndOfParagraph:</string>
    <key>Delete Current Line</key>
    <string>deleteToBeginningOfLine:, moveToEndOfLine:, deleteToBeginningOfLine:, deleteBackward:, moveDown:, moveToBeginningOfLine:</string>
</dict>

4. Open Xcode and go to Xcode preferences -> Key Bindings -> Text tab -> Scroll till you see Duplication

5. Click on Duplicate Current Line, add a shortcut for it, eg. Cmd + D (remove any other bindings for this key)