updated man page

This commit is contained in:
Yann Collet 2017-08-06 21:04:46 -07:00
parent ef06555100
commit dba4d70a1d
2 changed files with 27 additions and 14 deletions

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@ -132,7 +132,6 @@ MANDIR ?= $(PREFIX)/share/man/man1
endif
INSTALL_PROGRAM ?= $(INSTALL) -m 755
INSTALL_SCRIPT ?= $(INSTALL) -m 755
INSTALL_MAN ?= $(INSTALL) -m 644
@ -144,7 +143,7 @@ install: lz4$(EXT) lz4c$(EXT)
@ln -sf lz4 $(DESTDIR)$(BINDIR)/unlz4
@$(INSTALL_PROGRAM) lz4c$(EXT) $(DESTDIR)$(BINDIR)/lz4c
@echo Installing man pages
@$(INSTALL_MAN) -m 644 lz4.1 $(DESTDIR)$(MANDIR)/lz4.1
@$(INSTALL_MAN) lz4.1 $(DESTDIR)$(MANDIR)/lz4.1
@ln -sf lz4.1 $(DESTDIR)$(MANDIR)/lz4c.1
@ln -sf lz4.1 $(DESTDIR)$(MANDIR)/lz4cat.1
@ln -sf lz4.1 $(DESTDIR)$(MANDIR)/unlz4.1

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@ -1,5 +1,5 @@
.
.TH "LZ4" "1" "November 2016" "lz4 1.7.4" "User Commands"
.TH "LZ4" "1" "July 2017" "lz4 1.8.0" "User Commands"
.
.SH "NAME"
\fBlz4\fR \- lz4, unlz4, lz4cat \- Compress or decompress \.lz4 files
@ -32,6 +32,9 @@ When writing scripts that need to decompress files, it is recommended to always
\fBlz4 file1 file2\fR means : compress file1 \fIinto\fR file2
.
.IP "\(bu" 4
\fBlz4 file\.lz4\fR will default to decompression (use \fB\-z\fR to force compression)
.
.IP "\(bu" 4
\fBlz4\fR shows real\-time notification statistics during compression or decompression of a single file (use \fB\-q\fR to silent them)
.
.IP "\(bu" 4
@ -41,7 +44,7 @@ If no destination name is provided, result is sent to \fBstdout\fR \fIexcept if
If no destination name is provided, \fBand\fR if \fBstdout\fR is the console, \fBfile\fR is compressed into \fBfile\.lz4\fR\.
.
.IP "\(bu" 4
As a consequence of previous rules, note the following example : \fBlz4 file | consumer\fR sends compressed data to \fBconsumer\fR through \fBstdout\fR, hence it does \fInot\fR create any \fBfile\.lz4\fR\.
As a consequence of previous rules, note the following example : \fBlz4 file | consumer\fR sends compressed data to \fBconsumer\fR through \fBstdout\fR, hence it does \fInot\fR create \fBfile\.lz4\fR\.
.
.IP "" 0
.
@ -49,7 +52,10 @@ As a consequence of previous rules, note the following example : \fBlz4 file | c
Default behaviors can be modified by opt\-in commands, detailed below\.
.
.IP "\(bu" 4
\fBlz4 \-m\fR makes it possible to provide multiple input filenames, which will be compressed into files using suffix \fB\.lz4\fR\. Progress notifications are also disabled by default\. This mode has a behavior which more closely mimics \fBgzip\fR command line, with the main difference being that source files are preserved by default\.
\fBlz4 \-m\fR makes it possible to provide multiple input filenames, which will be compressed into files using suffix \fB\.lz4\fR\. Progress notifications are also disabled by default (use \fB\-v\fR to enable them)\. This mode has a behavior which more closely mimics \fBgzip\fR command line, with the main remaining difference being that source files are preserved by default\.
.
.IP "\(bu" 4
Similarly, \fBlz4 \-m \-d\fR can decompress multiple \fB*\.lz4\fR files\.
.
.IP "\(bu" 4
It\'s possible to opt\-in to erase source files on successful compression or decompression, using \fB\-\-rm\fR command\.
@ -60,13 +66,21 @@ Consequently, \fBlz4 \-m \-\-rm\fR behaves the same as \fBgzip\fR\.
.IP "" 0
.
.SS "Concatenation of \.lz4 files"
It is possible to concatenate \fB\.lz4\fR files as is\. \fBlz4\fR will decompress such files as if they were a single \fB\.lz4\fR file\. For example: lz4 file1 > foo\.lz4 lz4 file2 >> foo\.lz4
It is possible to concatenate \fB\.lz4\fR files as is\. \fBlz4\fR will decompress such files as if they were a single \fB\.lz4\fR file\. For example:
.
.IP "" 4
.
.nf
lz4 file1 > foo\.lz4
lz4 file2 >> foo\.lz4
.
.fi
.
.IP "" 0
.
.P
then lz4cat foo\.lz4
.
.P
is equivalent to : cat file1 file2
Then \fBlz4cat foo\.lz4\fR is equivalent to \fBcat file1 file2\fR\.
.
.SH "OPTIONS"
.
@ -181,6 +195,10 @@ Preserve source files (default behavior)
\fB\-\-rm\fR
Delete source files on successful compression or decompression
.
.TP
\fB\-\-\fR
Treat all subsequent arguments as files
.
.SS "Benchmark mode"
.
.TP
@ -195,10 +213,6 @@ Benchmark multiple compression levels, from b# to e# (included)
\fB\-i#\fR
Minimum evaluation in seconds [1\-9] (default : 3)
.
.TP
\fB\-r\fR
Operate recursively on directories
.
.SH "BUGS"
Report bugs at: https://github\.com/lz4/lz4/issues
.