mod: upgrade to python3 and new FileMerge CLI.
original: monkeycz/alfred-fastdiff
The default hotkey is + </kbd>.
Step 1, Select a file or text segment then press the hotkey.
Step 2, Select another file or text segment then press the hotkey.
Well, the FileMerge.app / vimdiff (in a new Terminal/iTerm2 tab page) will be launched and diff your selections.
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