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updated version number to v1.4.7

Browse Source 
and updated doc
This commit is contained in:
Yann Collet 2020-12-15 20:53:05 -08:00
parent 8ab9bb9d26
commit f647a759fe
5 changed files with 17 additions and 8 deletions
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4
doc/zstd_manual.html
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@ -1,10 +1,10 @@
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
<title>zstd 1.4.6 Manual</title>
<title>zstd 1.4.7 Manual</title>
</head>
<body>
<h1>zstd 1.4.6 Manual</h1>
<h1>zstd 1.4.7 Manual</h1>
<hr>
<a name="Contents"></a><h2>Contents</h2>
<ol>

2
lib/zstd.h
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@ -72,7 +72,7 @@ extern "C" {
/*------ Version ------*/
#define ZSTD_VERSION_MAJOR 1
#define ZSTD_VERSION_MINOR 4
#define ZSTD_VERSION_RELEASE 6
#define ZSTD_VERSION_RELEASE 7
#define ZSTD_VERSION_NUMBER (ZSTD_VERSION_MAJOR *100*100 + ZSTD_VERSION_MINOR *100 + ZSTD_VERSION_RELEASE)
/*! ZSTD_versionNumber() :

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programs/zstd.1
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@ -1,5 +1,5 @@
.
.TH "ZSTD" "1" "July 2020" "zstd 1.4.5" "User Commands"
.TH "ZSTD" "1" "December 2020" "zstd 1.4.7" "User Commands"
.
.SH "NAME"
\fBzstd\fR \- zstd, zstdmt, unzstd, zstdcat \- Compress or decompress \.zst files
@ -165,7 +165,7 @@ This is also used during compression when using with \-\-patch\-from=\. In this
\fB\-\-[no\-]sparse\fR: enable / disable sparse FS support, to make files with many zeroes smaller on disk\. Creating sparse files may save disk space and speed up decompression by reducing the amount of disk I/O\. default: enabled when output is into a file, and disabled when output is stdout\. This setting overrides default and can force sparse mode over stdout\.
.
.IP "\(bu" 4
\fB\-\-rm\fR: remove source file(s) after successful compression or decompression
\fB\-\-rm\fR: remove source file(s) after successful compression or decompression\. If used in combination with \-o, will trigger a confirmation prompt (which can be silenced with \-f), as this is a destructive operation\.
.
.IP "\(bu" 4
\fB\-k\fR, \fB\-\-keep\fR: keep source file(s) after successful compression or decompression\. This is the default behavior\.
@ -212,7 +212,16 @@ If input directory contains "\.\.", the files in this directory will be ignored\
.IP "" 0
.
.SS "Restricted usage of Environment Variables"
Using environment variables to set parameters has security implications\. Therefore, this avenue is intentionally restricted\. Only \fBZSTD_CLEVEL\fR is supported currently, for setting compression level\. \fBZSTD_CLEVEL\fR can be used to set the level between 1 and 19 (the "normal" range)\. If the value of \fBZSTD_CLEVEL\fR is not a valid integer, it will be ignored with a warning message\. \fBZSTD_CLEVEL\fR just replaces the default compression level (\fB3\fR)\. It can be overridden by corresponding command line arguments\.
Using environment variables to set parameters has security implications\. Therefore, this avenue is intentionally restricted\. Only \fBZSTD_CLEVEL\fR and \fBZSTD_NBTHREADS\fR are currently supported\. They set the compression level and number of threads to use during compression, respectively\.
.
.P
\fBZSTD_CLEVEL\fR can be used to set the level between 1 and 19 (the "normal" range)\. If the value of \fBZSTD_CLEVEL\fR is not a valid integer, it will be ignored with a warning message\. \fBZSTD_CLEVEL\fR just replaces the default compression level (\fB3\fR)\.
.
.P
\fBZSTD_NBTHREADS\fR can be used to set the number of threads \fBzstd\fR will attempt to use during compression\. If the value of \fBZSTD_NBTHREADS\fR is not a valid unsigned integer, it will be ignored with a warning message\. \'ZSTD_NBTHREADS\fBhas a default value of (\fR1\fB), and is capped at ZSTDMT_NBWORKERS_MAX==200\.\fRzstd` must be compiled with multithread support for this to have any effect\.
.
.P
They can both be overridden by corresponding command line arguments: \fB\-#\fR for compression level and \fB\-T#\fR for number of compression threads\.
.
.SH "DICTIONARY BUILDER"
\fBzstd\fR offers \fIdictionary\fR compression, which greatly improves efficiency on small files and messages\. It\'s possible to train \fBzstd\fR with a set of samples, the result of which is saved into a file called a \fBdictionary\fR\. Then during compression and decompression, reference the same dictionary, using command \fB\-D dictionaryFileName\fR\. Compression of small files similar to the sample set will be greatly improved\.

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programs/zstdgrep.1
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.
.TH "ZSTDGREP" "1" "July 2020" "zstd 1.4.5" "User Commands"
.TH "ZSTDGREP" "1" "December 2020" "zstd 1.4.7" "User Commands"
.
.SH "NAME"
\fBzstdgrep\fR \- print lines matching a pattern in zstandard\-compressed files

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programs/zstdless.1
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.
.TH "ZSTDLESS" "1" "July 2020" "zstd 1.4.5" "User Commands"
.TH "ZSTDLESS" "1" "December 2020" "zstd 1.4.7" "User Commands"
.
.SH "NAME"
\fBzstdless\fR \- view zstandard\-compressed files