And then, when they finally "release", compare these against their working version, to get a better handle on what was going on (or not) earlier on.Īwareness? There was only one post I could find and it bemused me as it was recommending WinDiff in 2008! (Another tool, Beyond Compare, was also mentioned. They could set aside copies of their work as they progress, after each attempt at a problem. Learning! I think they would prove useful to people learning C++. Now maybe this site is quiet on the subject as everyone knows all about it. After all, they are one of the key tools in software development. Key! While I in the process of updating my diff tool, I had a look to see what had been mentioned about them on this site. Ediff also works with remote and compressed files, automatically ftp'ing them over and uncompressing them.This post is more of an awareness raising exercise than a personal request for info.
Ediff is using the same algorithm as patch to determine which files need to be patched.)Įdiff is aware of version control, which lets you compare files with their older versions. All other patches are treated as 1-file patches. Since Ediff lets you copy differences between variants, you can, in effect, apply patches selectively (i.e., you can copy a difference region from file.orig to file, thereby undoing any particular patch that you don't like).Įdiff even understands multi-file patches and can apply them interactively! (Ediff can recognize multi-file patches only if they are in the context format or GNU unified format. You can even apply a patch right out of a mail buffer, i.e., patches received by mail don't even have to be saved. In addition, Ediff can apply a patch to a file and then let you step through both files, the patched and the original one, simultaneously, difference-by-difference.
Furthermore, Ediff is equipped with directory-level capabilities that allow the user to conveniently launch browsing or merging sessions on groups of files in two (or three) different directories. Merging with an ancestor file is also supported. You can also copy difference regions from one buffer to another (and recover old differences if you change your mind).Īnother powerful feature is the ability to merge a pair of files into a third buffer. The files being compared, file-A, file-B, and file-C (if applicable) are shown in separate windows (side by side, one above the another, or in separate frames), and the differences are highlighted as you step through them.
Ediff is a comprehensive visual interface to Unix diff and patch utilities.Įdiff provides a convenient way for simultaneous browsing through the differences between a pair (or a triple) of files or buffers (which are called ‘variants’ for our purposes).
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