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How to extract content of DMG without mounting it? I want add autoupdate system to my application. It downloads DMG from website, then extract new version of application from it.
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asked Jul 26 '12 23:07
Just use 7z x . In the case of for example Sublime text, 7z x "Sublime Text 2.0. 2. dmg" will be enough to extract all the files.
DMG Backup Extractor allows Windows users to open Apple Mac . DMG disc image files and extract the files within to their Windows PC. Simple to use, and extremely useful - DMG File Extractor can open any DMG file created on an Apple Mac and extract the files content to Windows compatible file formats.
Some .dmg files can be extracted by using 7-zip.
$ 7z x your.dmg
$ ls
your.dmg
0.MBR
1.Primary GPT Header
2.Primary GPT Table
3.free
4.hfs
5.free
6.Backup GPT Table
7.Backup GPT Header
...and after extracted the 4.hfs file:
$ 7z x 4.hfs
...you'll get the content of the .dmg file.
You could also mount the .dmg in Mac OS X using hdiutil command (which is also used by Homebrew Cask).
Please refer to this Ask Ubuntu question for more use cases on Linux.
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