mBoosterZip User Guide

 

mBoosterZip is a JAR compressor that delivers a higher compression ratio than all well known ZIP compressors, including 7-zip. mBoosterZip is integrated into mBooster, and is also available as a standalone command-line program. This section documents the standalone version of mBoosterZip.

mBoosterZip takes a set of input files and creates a heavily compressed ZIP file.

Note: mBoosterZip Evaluation Version does not generate an actual ZIP/JAR file, it only prints the size of the output ZIP file and the individual files added to the ZIP.

mBoosterZip syntax

mBoosterZip [[-<option>[ value]]...] <ZIPoutput> <input...>

File arguments:

<ZIPoutput>	The pathname of the generated .JAR/.ZIP file.
<input...>	A list of input file names or an input directory.

Options:

-r	Recurse into subdirectories. This has no effect if <input...> is not a directory.
-max_chain_length <value>	This property defines the scope of the search function in the mBoosterZip compressor while searching for duplicates. A larger value will generate a higher compression ratio at the cost of a decrease of run-time performance. Valid values are between 128 and 32-68. The default value is 8000. Other recommended values are 2000, 4000, 16000. Note: A space exists between '-max_chain_length' and <value>
-fixed_block_size	Use a preset fixed size for Huffman blocks.

Note:
If the full pathname of a file or directory is not supplied, it is assumed to be a file or subdirectory directly under the current working directory.

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