What application can I use for finding the differences between two source code files?

Question

Possible Duplicates:
Best file comparison tool
Best Diff Tool?

Duplicate: this is a duplicate of Best file comparison tool and many others. While it may be fun to post our favorite diff tools, I recommend we close this question as a duplicate, and answer in the original question.

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What application do you use for comparing two source code files to find the differences between them?

Answer 1

Assuming you're on windows: http://www.grigsoft.com/download-windiff.htm

Answer 2

diff?

Answer 3

Or Winmerge http://winmerge.org/ There are also diff tools built into most Source Control systems (eg tortoise for SVN).

Answer 4

I use DiffMerge

http://www.sourcegear.com/diffmerge/index.html

Answer 5

I always use TortoiseMerge (which is part of TortoiseSVN) for this kind of tasks.

Answer 6

I find BeyondCompare to be excellent.

Answer 7

If you use Eclipse, you can highlight both files in the tree view, right-click and choose Compare With -> Each Other.

There is also a nice diff plugin for jEdit.