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| author | Yann Collet <cyan@fb.com> | 2016-11-05 01:29:07 (GMT) |
|---|---|---|
| committer | Yann Collet <cyan@fb.com> | 2016-11-05 01:29:07 (GMT) |
| commit | 8195ba8f7bbf0153a1dc01d2ada8823a29462afa (patch) | |
| tree | 9abe5d8ea0cd78cebee165852650ad4aef04cc5b /programs/lz4.1 | |
| parent | 96565816bd38632e47bc70b76548b0f3c99c3b27 (diff) | |
| download | lz4-8195ba8f7bbf0153a1dc01d2ada8823a29462afa.zip lz4-8195ba8f7bbf0153a1dc01d2ada8823a29462afa.tar.gz lz4-8195ba8f7bbf0153a1dc01d2ada8823a29462afa.tar.bz2 | |
Updated man page
Diffstat (limited to 'programs/lz4.1')
| -rw-r--r-- | programs/lz4.1 | 33 |
1 files changed, 26 insertions, 7 deletions
diff --git a/programs/lz4.1 b/programs/lz4.1 index 059b820..529d36a 100644 --- a/programs/lz4.1 +++ b/programs/lz4.1 @@ -50,12 +50,16 @@ The native file format is the format. .B lz4 -supports a command line syntax similar but not identical to +supports a command line syntax similar \fIbut not identical\fR to .BR gzip (1). Differences are : -\fBlz4\fR preserve original files ; -\fBlz4 file1 file2\fR means : compress file1 \fIinto\fR file2 ; -\fBlz4 file\fR shows real-time statistics during compression . + \fBlz4\fR preserves original files + \fBlz4\fR compresses a single file by default (use \fB-m\fR for multiple files) + \fBlz4 file1 file2\fR means : compress file1 \fIinto\fR file2 + When no destination name is provided, compressed file name receives a \fB.lz4\fR suffix + When no destination name is provided, if \fBstdout\fR is \fInot\fR the console, it becomes the output (like a silent \fB-c\fR) + Therefore \fBlz4 file > /dev/null\fR will not create \fBfile.lz4\fR + \fBlz4 file\fR shows real-time statistics during compression (use \fB-q\fR to silent them) Default behaviors can be modified by opt-in commands, described below. \fBlz4 --quiet --multiple\fR more closely mimics \fBgzip\fR behavior. @@ -129,6 +133,11 @@ Test the integrity of compressed files. The decompressed data is discarded. No files are created nor removed. + +.TP +.BR \-b# +Benchmark mode, using # compression level. + . .SS "Operation modifiers" .TP @@ -215,12 +224,22 @@ hence for a file. It won't work with unknown source size, such as stdin or pipe. .BR \-k ", " \--keep Don't delete source file. This is default behavior anyway, so this option is just for compatibility with gzip/xz. + +. +.SS "Benchmark mode" +.TP +.B \-b# + benchmark file(s), using # compression level .TP -.B \-b - benchmark file(s) +.B \-e# + benchmark multiple compression levels, from b# to e# (included) .TP .B \-i# - iteration loops [1-9](default : 3), benchmark mode only + minimum evaluation in seconds [1-9] (default : 3) +.TP +.B \-r + operate recursively on directories + .SH BUGS Report bugs at: https://github.com/Cyan4973/lz4/issues |