add/remove files to an ISO image and save the changes to the same iso file.

Is there a way to mount a CD/DVD ISO image as writable filesystem?
Or is there a software like Winiso or Magiciso for linux able to to that?

My goal is to add or remove some files to an ISO image without recreating the entire ISO image from scratch. I know that I can copy the entire contents of the iso image in a directory, add the files and then recreate the iso image, but this takes too much time and it's not efficient at all. With Winiso or Magiciso (for Windows) I simply open the file, add/remove something, save. The file is saves in a second (it is not rewritten entirely). Is there a software like this for linux? Even non-free.

The perfect solution would be to mount the iso as writable... but I couldn't achieve this.

If I do (as root): mount -o loop -t iso9660 filename.iso /mnt/iso

the /mnt/iso looks like writable, but if I try to write something inside I get:

touch /mnt/iso/test
touch: cannot touch `/mnt/iso/test': Read-only file system

I tried also: mount -o loop,rw -t iso9660 filename.iso /mnt/iso
it is still readonly...

I'm using Ubuntu Linux, kernel-image 2.6.12-10-k7. But if you tell me that there is a patched module or writable support in a new kernel it's not a problem for me to recompile it and try. Just let me know ;-) Thanks.
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firepolAsked:
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ps15Commented:
You could run MagicISO with wine, that seems to work for me ...
At least the Command-Line "miso.exe" works ..
 (no Burning capability, but hey, enough for what you wanted ... ;) )
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ravenplCommented:
> Is there a way to mount a CD/DVD ISO image as writable filesystem?
No. The iso filesystem id RO by design.

> My goal is to add or remove some files to an ISO image without recreating the entire ISO image from scratch.
Unfortunatelly that's what You have to do.

> Is there a software like this for linux
Not aware of, but maybe others...
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NopiusCommented:
I aggree with ravenpl, you should recreate ISO each time you modify any file or directory.
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