how can I open photos on UNIX EXEC format?

March 28, 2011 at 13:53:04
Specs: Macintosh
A client is publishing a magazine and brought us a disc with photos saved on UNIX ECECUTIVE FILE format. The photographer deleted by accident the originals. Can we open this photos? or how can the photographer retrieve the originals, they are from 2005.

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March 28, 2011 at 17:46:39
What most likely happened is the resource file got stripped off in the transfer of the photos to the disc. Try copying one of the files to your desktop and change/add the three letter file extension that is associated with the original file, ie: .jpg, .bmp, .tif

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March 28, 2011 at 19:51:07
It did not work. Neither Preview, Photoshop, or even I-photo recognizes the file.

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March 28, 2011 at 21:41:21
Hello, sir.

What has happened as described by Golfer may indeed be correct in stating that the file extensions were changed (or rather stripped off) during the transfer process. You do have several options to recover these files, however. The first can be accomplished by copying the files to a folder that can be changed, and then repairing permissions. Press Cmd+Space, type disk util, press Enter (or use the down arrow key then Enter on Tiger), and in the First Aid pane (activated when you click your hard disk in the left pane), click Repair Disk Permissions. This ensures that the permissions are set for your user tag as part of UNIX inherency. This may not be the end, however.

- If these files were originally copied or burned on a UNIX system, open the Terminal. To accomplish this quickly, use Spotlight. (Press Cmd+Space, type term, and press return). If Disk Utility could not touch the files, you can change files manually. In this case, supposing your shortname is "shortname". Change the files by using (no quotes): "chown shortname picture.ext", where picture.ext is to be replaced by yours. For instance, with Coolpicture.png, I'd use Coolpicture.png in that case.

Also, note that the ISO format used on the disc (unless you meant disk--in that case, go back to Disk Utility, and Repair Disk if your flash drive uses the FAT file system.) may differ from the one recognized by OS X. This can happen if, for instance, Nautilus burned the CD improperly. To fix this issue, you will need to get a copy of either Qemu (for PowerPC platforms, e.g. G3, G4, G5) or VirtualBox for Intel. Download, in either case, Mint, Ubuntu, Fedora, or another officially supported Linux distribution .iso. Before you get scared of this method, you will *only* be running in a virtualized environment--not on your *real* Mac, and you can safely delete Linux and the virtual PC, without hurting your computer afterwards. Once done, set the environment up, and set a shared folder via SMB. Open your pictures using either Nautilus or Dolphin. This method *should* work--it has personally helped recover pictures that neither Windows or OS X could not read.

- Secondly, you may have file corruption going on. Can you read at least some of the original metadata associated with the pictures? If not, the pictures are most likely unreadable.

I hope this answers your question satisfactorily. If not, please post back. Thank you.

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