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Repair damaged zip files for mac

broken image

I’ve solved the problem and restored basically everything, but I’m still absolutely in the dark about what could cause this kind of behavior. My data was fine.īut I lost hours trying to understand, and this doesn’t qualify exactly as a user friendly and easy to use.Įdit: I forgot to mention that I downloaded the zip files with the latest Backblaze Downloader.Įdit 2: /u/brianwski I’m interested in your opinion on this. So it was a problem in the packaging of the zip files. I then repaired zip files with the “zip” command via terminal, and it rebuilt the index of the zip, which then unzipped fine. When I used the MacOS “ditto” command in the terminal, to extract, some zip unzipped just fine, others were missing files. repair an archive file that has been corrupted or truncated. The problem though, was in the zip itself, the files were fine. Options / Usage -A Adjusts the file offsets stored in the ZIP archive to prepare it for. I proceeded to pinpoint the error by progressively splitting the content to restore in smaller and smaller zip files.īy corrupt I mean that the default OS archive application failed to unzip, and also The Unarchiver failed. I assumed there was some sort of corruption in some of my files (maybe a write/read error on my side, then the backup reflected that error). Some of the zip were not extracting properly. I tried to keep the size of each file below 40 Gb. A restore by disk was too expensive (not in US) and I did a restore by multiple zip files.