How to create an ISO disc image...?

Discussion in 'macOS Sierra (10.12)' started by rhimbo, Apr 1, 2017.

  1. rhimbo macrumors member


    Jun 21, 2009
    Hi all,

    I have a CD that contains a bunch of files, created from an MRI exam. I think the disc is Windows compatible, but I'm not sure if it's an ISO disc.

    I would like to create an ISO image of the full contents of the CD and just store it on my hard drive. I am planning on uploading it so I can send it to my radiologist. How do I do that?

    I've been searching the Internet but I'm not sure if any of the articles I've read apply.

    Many thanks,
  2. Fishrrman macrumors P6


    Feb 20, 2009
    Something I saved from my archives:
    Create a folder with the contents you want on your ISO.

    Open Disk Utility and use the New Image from Folder menu item to create an image. Ensure it is uncompressed and use the CD/DVD master option.

    In my experience this creates HFS+ masters which are no good in Windows.

    Next, open Terminal

    Assuming your new image is called ~/Desktop/Master.cdr (the file is on your desktop and called Master.cdr) type:

    cd ~/Desktop
    hdiutil makehybrid -iso -joliet -o Master.iso Master.cdr

    This will create an ISO/Joliet .iso file.
  3. rhimbo thread starter macrumors member


    Jun 21, 2009
    Thank you, Fisherman. I think I successfully created the ISO. It seems to be readable from my hard disk as well as from the CD I burned using the ISO file.

    Unfortunately, the contents are for Windows. So, I'll need to find a Windows machine to view. Ugh...!

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3 April 1, 2017