Usage ===== Typical usage looks like this:: dmgbuild -c settings.py "Volume Name" output.dmg The (optional) ``settings.py`` file specifies the attributes that control the appearance of the disk image. The other arguments give the volume name and the name of the output file respectively. ``dmgbuild`` also accepts arguments of the form ``-D key=value``; these can be used from within the settings file, for instance so that you can write a single settings file for multiple disk images, or so that you can easily alter settings at build time.