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Calculate dump contents entropy

Natalia Portillo edited this page Jun 24, 2018 · 2 revisions

Table of Contents

Command description

This operation will calculate uniqueness and entropy of the media represented by a media dump image. It's not affected my the image format compression if applicable.

Command usage

DiscImageChef entropy -d [true/false] -i <dump> -p [true/false] -t [true/false] -v [true/false] -w [true/false]

-d, --debug=[true/false] shows debug output (default false)
-i, --input=<dump> path to the media dump image
-p, --duplicated-sectors=[true/false] besides entropy also calculates how many sectors have the exact same data in their user area (default true)
-t, --separated-tracks=[true/false] separately calculates the entropy for each track dividing the media. Only applicable to certain kind of media (optical discs and digital tapes mostly) (default true)
-v, --verbose=[true/false] shows verbose output (default false)
-w, --whole-disc=[true/false] calculates the entropy for the whole media (default true)

Example

DiscImageChef entropy -i mydisc.cue

Operating system support

FreeBSD Yes
macOS Yes
Linux Yes
Windows Yes
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