Just to add to what @cderv alluded to, you could actually run the www.ccpcarabobo.org.ve/web/top-websites-to-download-notepad-compare-plugin GNU diff used by git in a terminal in RStudio. Open up a terminal, diff file1 file2, and you should get a comparison between the two. It should already be installed due to using git , but has the disadvantage of the output just being a screen of text that will hide...