It doesn't tell me how many files, or which files dumb software - RecordNow. I'd like to compare the source directory to the DVD copy and figure out if it's one unimportant image or important images, so I know whether or not to burn another copy or just add the one bad file to the disk or another disk.
I know I suppose I should burn a new disk to be safe, in case the disk itself was bad and so prone to failure, but I'm still interested in which files failed to verify.
I did a web search but didn't come up with any simple utility that will compare directories and report differences in any files. All I can find are utilities that find files that are the same duplicates in two directory stuctures.
Anybody know of one freeware prefered, but anything is of interest. I'm running Windows XP Home. 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. It has a directory synching facility that I think will do what you want. It's a nice file utility, has the old DOS files utility feel to it. This is easier in linux or unix If you want to get fancy, install Cygwin and run a diff on the files.
Email me if you want more detailed instructions. It's quite eye glazing, but actually straightforward. Thanks guys, but what I need is a bit by bit comparison of all the files in both directories, not just a comparison of file names and I don't think either suggestion will do that. There are lots of directory synchronization programs that look for files with the same name but different sizes or dates but that's not what I need.
I need to look at the binary contents of all the files. What I need is a program that effectively does a backup verify, looking at and comparing the binary data in each file to see if it can find any differences. There are backup programs with verification, but I have not yet found one that will perform only the verify function if it's given the name of two directories.
There are programs that will do this given two files, but there are hundreds of files and doing them one by would would take days! I think this might help you. Use the standard 'fc' command line Windows utility. Windows has it and Windows XP should have it too.
If you want, I can e-mail you the freeware version 2. It's got two-pane window and you can scan folders and subfolders for files that are missing, newer, and the same. Jason 7, 3 3 gold badges 32 32 silver badges 34 34 bronze badges. Mike Woinoski Mike Woinoski 2, 1 1 gold badge 13 13 silver badges 13 13 bronze badges.
Particularly for big files like. Polynomial Polynomial I read in the notes of vBinDiff that "unlike diff, it works well with large files up to 4 GB. Also, I found it would mysteriously not start up under windows 7 x Bare in mind that VBinDiff is a CLI program, so if you just try to run it on Windows, it will either appear not to start, or will very briefly show a command prompt window, which quickly disappears.
Open up a command prompt and run the program from there to see what arguments it accepts, and then use it from the command prompt accordingly. When I tried using vBinDiff to compare two 1. Neither can WinDiff handle such files. Show 4 more comments. Dimitry K Dimitry K 1, 1 1 gold badge 23 23 silver badges 36 36 bronze badges. This doesn't understand inserted content like a text diff tool, though, only changes to bytes. Boris Ivanov Boris Ivanov 4, 1 1 gold badge 29 29 silver badges 38 38 bronze badges.
Beyond Compare doesn't work for binary files above MB Try this one github. BorisIvanov: It probably helps to mention that Beyond Compare is a paid software that will work only for 30 days.
I prefer to use objcopy to convert to hex, then use diff. BobC BobC 1, 3 3 gold badges 20 20 silver badges 26 26 bronze badges. Remember that while you are playing with files, it is best to use dummy samples like the ones provided here, in order to avoid any accidental data loss.
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