How to use Xcode's FileMerge tool to compare files

To call FileMerge from the commandline, use opendiff : opendiff file1.txt file2.txt This will open Filemerge with the two files open and diff'd.

Comparing files. After your files are set in the FileMerge interface, click the Compare button in the lower right corner of the main window.

To compare changes in one source file, open the file and click the Enable Code Review button in the upper-right corner of the Xcode window.

Download TextWrangler by BareBones software. It's free and has a nice interface to compare files. There's also diff from the Terminal.

The often overlooked Xcode FileMerge app lets you spot what's changed between two files. Here's how to spot the differences using the tool.

The often overlooked Xcode FileMerge app lets you spot what's changed between two files. Here's how to spot the differences using the tool.

Click on Code Review (the blue button on the screenshot), the one with one arrow to the left and the other one to the right (or in View Menu).

You can compare two Xcode project using FileMerge tool available with Xcode. Below are steps for comparison in Xcode 6.1.

Compare two or three files · In the Project tool window, select the files you want to compare and choose Compare Files, or press Ctrl+D .

The best workaround I've found is Kaleidoscope. Do the git integration and then just type git difftool to bring up all your modified sources in the ...