I know you're not looking for one now, but if you ever decide to get a better back-up utility that provides file-by-file comparison during the verification stage, I strongly recommend Nero Burning ROM by Ahead Software: (Lower prices - down to $4.97 - are available for subscribers to their print magazine, or for limited time periods and downloads.) PC Magazine utilities are free, but they've recently begun charging for access to their download library $19.97 per year for unlimited downloads. Let me know if you'd like to see some screen shots, and I'll e-mail some to you. The above link provides extensive explanation of the installation, use, functionality (and programming) of this utility, but no visuals. When comparing two folders, if two files of the same name are found, and if they are the same size, then WMatch performs a 32-bit cyclical redundancy check on the contents of both files this provides the "bit-by-bit" comparison you're looking for.įor more information, check out the following link: It's compatible with all versions of Windows from 95/NT through XP, and is extrememly easy to install and use. I strongly recommend WMatch 2.0, which is a PC Magazine Utility written last year. I tried ExamDiffPro, but it only compares individual files or directory structures, it won't compare all files in all subdirectories as far as I can tell. Know of one (freeware prefered, but anything is of interest). All I can find are utilities that find files that are the same (duplicates) in two directory stuctures. Will compare directories and report differences in any files. I did a web search but didn't come up with any simple utility that I know I suppose I should burn a new disk to be safe, in case theĭisk itself was bad and so prone to failure, but I'm still interested Whether or not to burn another copy or just add the one bad file to Out if it's one unimportant image or 100 important images, so I know I'd like to compare the source directory to the DVD copy and figure It doesn't tell me how many files, or which Unfortunately it just says "Verification failed - one or moreįiles were different". I'm backing up images onto DVD and occasionally I get a verfificationĮrror. I'm looking for a utility that will compare the files in twoĭirectories (and subdirectories) and report any that are different.
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