diff options
Diffstat (limited to 'programs/lz4.1')
| -rw-r--r-- | programs/lz4.1 | 36 |
1 files changed, 25 insertions, 11 deletions
diff --git a/programs/lz4.1 b/programs/lz4.1 index 48c988a..39d78cd 100644 --- a/programs/lz4.1 +++ b/programs/lz4.1 @@ -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: . -.P -then lz4cat foo\.lz4 +.IP "" 4 +. +.nf + +lz4 file1 > foo\.lz4 +lz4 file2 >> foo\.lz4 +. +.fi +. +.IP "" 0 . .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 . |