From 14424b83ce5966bf2a6be5d2496c7570f50e8bdd Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Fri, 4 Jan 2019 11:58:08 +0100 Subject: Merging upstream version 1.10. Signed-off-by: Daniel Baumann --- README | 38 ++++++++++++++++++++------------------ 1 file changed, 20 insertions(+), 18 deletions(-) (limited to 'README') diff --git a/README b/README index 517adcf..6c29e49 100644 --- a/README +++ b/README @@ -1,17 +1,21 @@ Description -Pdlzip is a lossless data compressor with a user interface similar to -the one of lzip, bzip2 or gzip. +Pdlzip is a permissively licensed implementation of the lzip data +compressor, intended for those who can't distribute (or even use) GPL +licensed Free Software. (The name of pdlzip comes from 'public domain +lzip'). Pdlzip is written in C and is (hope)fully compatible with lzip 1.4 +or newer. -Pdlzip uses the lzip file format; the files produced by pdlzip are -(hope)fully compatible with lzip-1.4 or newer. Pdlzip is in fact a -permissively licensed implementation of the lzip data compressor, -intended for those who can't distribute (or even use) GPL licensed Free -Software. (The name of pdlzip comes from "public domain lzip"). +Lzip is a lossless data compressor with a user interface similar to the +one of gzip or bzip2. Lzip can compress about as fast as gzip (lzip -0) +or compress most files more than bzip2 (lzip -9). Decompression speed is +intermediate between gzip and bzip2. Lzip is better than gzip and bzip2 +from a data recovery perspective. Lzip has been designed, written and +tested with great care to replace gzip and bzip2 as the standard +general-purpose compressed format for unix-like systems. -The lzip file format is designed for data sharing and long-term -archiving, taking into account both data integrity and decoder -availability: +The lzip file format is designed for data sharing and long-term archiving, +taking into account both data integrity and decoder availability: * The lzip format provides very safe integrity checking and some data recovery means. The lziprecover program can repair bit flip errors @@ -20,11 +24,11 @@ availability: merging of damaged copies of a file. * The lzip format is as simple as possible (but not simpler). The - lzip manual provides the source code of a simple decompressor along - with a detailed explanation of how it works, so that with the only - help of the lzip manual it would be possible for a digital - archaeologist to extract the data from a lzip file long after - quantum computers eventually render LZMA obsolete. + lzip manual provides the source code of a simple decompressor + along with a detailed explanation of how it works, so that with + the only help of the lzip manual it would be possible for a + digital archaeologist to extract the data from a lzip file long + after quantum computers eventually render LZMA obsolete. * Additionally the lzip reference implementation is copylefted, which guarantees that it will remain free forever. @@ -40,8 +44,6 @@ If you keep any lzma-alone files, it is advisable to recompress them to lzip format. Lziprecover can convert some lzma-alone files to lzip format without recompressing. -Pdlzip is written in C. - Pdlzip includes public domain (de)compression code from the LZMA SDK (Software Development Kit) written by Igor Pavlov. @@ -52,7 +54,7 @@ users of the most non-free platforms can share lzip files with everybody else. -Copyright (C) 2010-2018 Antonio Diaz Diaz. +Copyright (C) 2010-2019 Antonio Diaz Diaz. This file is free documentation: you have unlimited permission to copy, distribute and modify it. -- cgit v1.2.3