Error 1 operation not permitted unzip mac

Since the BOMarchivehelper [a fancy way of saying Finder can just open Zip files] doesn't allow that, it might be throwing that message out. You might be able to open them with unzip -P [whatever the password is] filename. Unless you don't know the password.

Then you're screwed.

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Usually, the site where you got the files or the torrent will have the password. Or the file you downloaded could be corrupt. Try downloading them again. The last thing is to throw the files onto a flash or disk and open them on a friend's Windows PC. BOMArchiveHelper breaks on some zip files, even those without passwords. I wonder if there's a bug in the tar command that comes with OS X. Quite possibly, there is a bug. I've found the built in OS X archive utility to be pretty crappy. Is there no way you can re-archive the needed files into a zip or something?

Also, if you're scripting it up, does the error also occur when you gunzip -c scip Yeah, that command throws the same error. Ah, turns out there was indeed an error in the tarball! I'm not crazy. I'll write up a more detailed answered.

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Apparently the tar utility in OS X was the correct one here! Once you identify what the duplicate file is, you can use the --fast-read option of bsdtar note that this option is only part of bsdtar , not gnutar : -q --fast-read x and t mode only Extract or list only the first archive entry that matches each pattern or filename operand. Exit as soon as each specified pat- tern or filename has been matched. By default, the archive is always read to the very end, since there can be multiple entries with the same name and, by convention, later entries overwrite earlier entries. This option is provided as a performance optimization.

Thus, you could avoid this problem by doing the following: this set of commands picks up from the first set of commands i. Adam Liter Adam Liter 4 4 silver badges 14 14 bronze badges. Wow, nice sleuthing, I had no idea that there was any significant difference between gnutar and bsd tar. Based on your gtar -tcvf , gnutar is "smart" enough to optimize away the second copy file as a link instead of duplicating it in the archive.

After scouring the docs, it looks like this is a side effect of gtar's hard link handling. It appears to think that the duplicate file is actually a hard link to the file, so it stores it as a link instead of the actual file. Giving gtar the --hard-dereference option disables this behavior. A maintainer of some software that I use released a new version with a duplicate file in the tarball, which caused problems when trying to install the new version with Homebrew obviously.

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Anyway, thanks for checking out the docs! I'll add that to the answer. This is excellent. I'm marking this the answer since it's the most thorough explanation of what's going on. So, I'm a little confused by the behavior in your Gist - OSX tar allows for duplicate files in an archive a throwback to its original purpose as a t ape ar chive utility, so it allows files to be appended to the end of the tape archive, and when the archive is restored the newest version of the file will overwrite the older version s It's only when the "-k" option is present that tar should warn about preexisting files.

Johnny Johnny 5 5 bronze badges. I made it a little more clear that the behavior in his Gist and his self-answer does not appear to be the full answer because file duplicates are allowed in a tar archive.

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So the answer to "I can't unpack a tar archive with a duplicated file" shouldn't be "Remove the duplicate file" since tar is supposed to be able to handle that case. This is really a comment -- it doesn't offer a solution, it's only discussion on an existing solution. Johnny, can you please move this to a comment? I'll come back and delete this later, just wanted to give you a chance to move it first. Johnny, this information does have super-valuable information, but it's not an answer to the question. It's a comment on another answer. Think of it this way: if Geoff's answer was deleted, would this answer be useful?

No, it wouldn't.

For Mac Users Only: How to Unzip a File (Fixing Mac Error 1 - Operation Not Permitted)

Really, the content of this answer is "that other answer by Geoff doesn't seem correct". Current version is 3. I only said you should test the same zip file on Windows if available to find out if the zip was corrupted during transmission or if it was only a problem with Mac Archive Utility. So you need to provide more information like the Mac OSX version and the results with other unzippers like Stuff-it on Mac. For instance, I bet you will be able the extract the same zip file from Terminal on Mac.

Hi Cem, I hate to say it, but very few of our customers can unzip the files after downloading. The downloads are completing fully.

They are all on Mac OSX. All different versions, both SL and Lion.

Password Protect Zip Files in Mac OS X

Even if the files are only around mb. This was a huge selling point for us as zipping up files was taking a huge part of our workflow. If you have access to mac, please do some more testing on larger file sizes. There may be a problem with the sizes? Please let me know any information you find. I need to keep my customers happy and the complaints are rolling in! Appreciate any help! Hi Dustin, Did you get the issue resolved with Cem?

I will the response time was a little faster.