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diff --git a/doc/plzip.texinfo b/doc/plzip.texinfo index 7712600..04bf822 100644 --- a/doc/plzip.texinfo +++ b/doc/plzip.texinfo @@ -5,8 +5,8 @@ @finalout @c %**end of header -@set UPDATED 17 January 2010 -@set VERSION 0.2 +@set UPDATED 24 January 2010 +@set VERSION 0.3 @dircategory Data Compression @direntry @@ -50,9 +50,11 @@ to copy, distribute and modify it. @chapter Introduction @cindex introduction -Plzip is a parallel version of the lzip data compressor. Currently only -compression is performed in parallel. Parallel decompression is planned -to be implemented later. +Plzip is a parallel version of the lzip data compressor. The files +produced by plzip are fully compatible with lzip-1.4 or newer. Plzip is +intended for faster compression/decompression of big files on +multiprocessor machines. Currently only compression is performed in +parallel. Parallel decompression is planned to be implemented later. Lzip is a lossless data compressor based on the LZMA algorithm, with very safe integrity checking and a user interface similar to the one of @@ -127,6 +129,14 @@ Print an informative help message describing the options and exit. @itemx -V Print the version number of plzip on the standard output and exit. +@item --data-size=@var{size} +@itemx -B +Set the input data block size in bytes. The input file will be divided +in chunks of this size before compression is performed. Valid values +range from 100kB to 1GiB. Default value is two times the dictionary +size. It is a waste of memory to choose a data size smaller than the +dictionary size. + @item --stdout @itemx -c Compress or decompress to standard output. Needed when reading from a |