Drive Cleaners | Dupseek 1.3
Author: Antonio Bellezza
Date: 12/05/2005 08:51 PM
Size: 14 KB
Requires: OS X 10.1/10.2/10.3/10.4
Downloaded: 4008 times
TIP: MacBooster 2 - A powerful, recommended cleaner for your Mac.
Dupseek does something different:
• It starts by grouping files by size.
• Then it starts reading small chunks of the files of the same size and comparing them. It creates smaller groups depending on these comparisons.
• It goes on with bigger and bigger chunks (of size up to a hard-coded limit).
• It stops reading from files as soon as they form a single-element group or they are read completely (which only happens when they have a very high probability of having duplicates).
This algorithm is much more efficient than competitors when dealing with large files of the same size. When files differ, reading usually stops after very few reads.
Dupseek (and destroy) can be interrupted at any moment. The user is then presented with partial results and can either intervene manually or go on with the reading and computation, on a group-by-group basis. Since subsequent reads happen sparsely in the file, if some files are still in the same group after many iterations, they are most probably identical, unless the differences are very small.
OS X 10.1-10.4
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