Finding changed files

[schloss]

I have a stack of XP install CDs. I want to find out what files are different on one of them.

I could, I suppose, run CloneSpy against the CD and the SOURCE or SOURCESS folder tree of another build --- but that tells me the duplicates, not the differences. What I need seems to be the opposite of a duplicate file finder.

Specifically, I need to find files with the same name but different contents, so some form of checksumming or file hashing has to be involved. A simple compare based on file names alone is not what I want. How do people round here handles this? Are there any well-known scripts or tools freely available?

Sorry, if this has been dealt with elswhere some time ago, but this is a BIG forum and I am still finding my way around.

[CoffeeFiend]

Try good old WinDiff.

There's a lot of great apps out there specifically for this (like Beyond Compare), but unlike WinDiff, most aren't free.

[schloss]

Thanks! WinDiff's not perfect but it's doing what I need.