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Post #955458

Author
SnooPac
Parent topic
team negative1 - star wars 1977 - 35mm theatrical version (Released)
Link to post in topic
https://originaltrilogy.com/post/id/955458/action/topic#955458
Date created
18-Jun-2016, 1:32 PM

FYI, it looks like we found out what caused those corrupt bytes (thanks again dahmage who actually seemed to find out what happened).
I haven’t tried to reproduce (I will soon), but pretty sure this is it.

I figured, after I got the RARs and extracted the ISO from them, the best way I could check the ISO was good was to mount it and browse the folders, check for BVMD and STREAM and all the m2ts files etc…
So I did a quick google search on how to mount ISO’s on Linux, and eventually I do the command:
mount -o loop Star_Wars_SSE_TN1_v1_6.iso …/tmp/iso
I go over to …/tmp/iso/, look around, all looks good, so I unmount and continue on.

Well, apparently the stupid mount edits the ISO file for some reason:
http://unix.stackexchange.com/questions/149459/mount-o-loop-changes-mounted-iso-image-file
If I had just run the command with a “ro,” in there before the “loop”, all would have been fine.

So if I didn’t try to verify that all was good, then all would have been good 😃.
Oh well. You live and learn I guess.