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http://www.insanely-great.com/news.php?id=1159
DropDMG: Compress and compress again
By ron carlson, Insanely Great Mac
October 23rd 2002
With this handy utility, copying audio and data CDs is a snap
Michael's Macintosh Software (MMS) has the announced the immediate availability of
DropDMG, a utility for creating disk images in X�s device image (DMG) format. Disk
images are a convenient way of packing entire folders or disks into a single file,
either for transport across the Internet or simply for achival.
Unlike other archival methods, they preserve both long filenames and Mac and Unix
metadata. DMG images may be created using Apple�s Disk Copy utility and Disk Copy can
also �mount� an image -- make its contents accessible as if they resided on an
inserted CD-ROM. Although Disk Copy comes free with Mac OS X, DropDMG goes beyond what
Disk Copy offers, both in power and ease of use.
Features include:
� Supported formats: zlib-compressed, ADC-compressed, read-only, read-write, NDIF
(.img), self-mounting (.smi);
� Make encrypted compressed disk images;
� Post-process images with BZip2, GZip, or MacBinary;
� Hold down Option when creating an image to specify options for that image without
changing the preferences;
� Make images auto-open when you mount them;
� All options are available from AppleScript;
� Include rich text license agreements, in multiple languages; etc.
This $10 shareware app (667K) requires X.2.1 and is available here.
Editor's note: Speed is comparable to Disk Copy, but offers the advantage of being
able to crunch several chunks of data at the same time. This could come in handy when
exercising your fair use right to backup multiple audio CDs, etc. (i.e. you've come
back from the mall and need to feel good about yourself after dropping $100+ on CDs
again).
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