7zr man page on ElementaryOS

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7zr(1)									7zr(1)

NAME
       7zr - A file archiver with highest compression ratio

SYNOPSIS
       7zr [adeltux] [-] [SWITCH] <ARCHIVE_NAME> <ARGUMENTS>...

DESCRIPTION
       7-Zip  is  a file archiver with the highest compression ratio. The pro‐
       gram supports 7z (that implements LZMA compression  algorithm),	LZMA2,
       XZ,  ZIP,  Zip64,  CAB,	RAR  (if  the  non-free	 p7zip-rar  package is
       installed), ARJ, GZIP, BZIP2, TAR,  CPIO,  RPM,	ISO,  most  filesystem
       images  and  DEB	 formats.  Compression	ratio  in the new 7z format is
       30-50% better than ratio in ZIP format.

       7zr is a stand-alone executable. 7zr handles less archive formats  than
       7z. 7zr is a "light-version" of 7za that only handles 7z archives.

FUNCTION LETTERS
       a      Add

       d      Delete

       e      Extract

       l      List

       t      Test

       u      Update

       x      eXtract with full paths

SWITCHES
       -ai[r[-|0]]{@listfile|!wildcard}
	      Include archives

       -ax[r[-|0]]{@listfile|!wildcard}
	      eXclude archives

       -bd    Disable percentage indicator

       -i[r[-|0]]{@listfile|!wildcard}
	      Include filenames

       -l     don't  store symlinks; store the files/directories they point to
	      (CAUTION : the scanning stage can never end because of recursive
	      symlinks like 'ln -s .. ldir')

       -m{Parameters}
	      Set   Compression	  Method  (see	/usr/share/doc/p7zip/DOCS/MAN‐
	      UAL/switches/method.htm for a list of methods)

       -mhe=on|off
	      7z format only : enables or disables archive  header  encryption
	      (Default : off)

       -o{Directory}
	      Set Output directory

       -p{Password}
	      Set Password

       -r[-|0]
	      Recurse  subdirectories (CAUTION: this flag does not do what you
	      think, avoid using it)

       -sfx[{name}]
	      Create SFX archive

       -si    Read data from StdIn (eg: tar cf - directory | 7zr a -si	direc‐
	      tory.tar.7z)

       -so    Write data to StdOut (eg: 7zr x -so directory.tar.7z | tar xf -)

       -slt   Sets technical mode for l (list) command

       -v{Size}[b|k|m|g]
	      Create volumes

       -u[-][p#][q#][r#][x#][y#][z#][!newArchiveName]
	      Update options

       -w[path]
	      Set Working directory

       -x[r[-|0]]]{@listfile|!wildcard}
	      Exclude filenames

       -y     Assume Yes on all queries

DIAGNOSTICS
       7-Zip returns the following exit codes:

	      0	     Normal (no errors or warnings detected)

	      1	     Warning  (Non  fatal  error(s)).  For example, some files
		     cannot be read during compressing. So they were not  com‐
		     pressed

	      2	     Fatal error

	      7	     Bad command line parameters

	      8	     Not enough memory for operation

	      255    User stopped the process with control-C (or similar)

Backup and limitations
       DO NOT USE the 7-zip format for backup purpose on Linux/Unix because :
	- 7-zip does not store the owner/group of the file.

       On Linux/Unix, in order to backup directories you must use tar :
	-  to  backup  a  directory   :	 tar cf - directory | 7zr a -si direc‐
       tory.tar.7z
	- to restore your backup : 7zr x -so directory.tar.7z | tar xf -

       If you want to send files and directories (not the owner	 of  file)  to
       others Unix/MacOS/Windows users, you can use the 7-zip format.

	 example : 7zr a directory.7z  directory

       Do not use "-r" because this flag does not do what you think.

       Do  not	use directory/* because of ".*" files (example : "directory/*"
       does not match "directory/.profile")

EXAMPLE 1
       7zr a -t7z -m0=lzma -mx=9 -mfb=64 -md=32m -ms=on archive.7z dir1
	      adds all files from directory "dir1" to archive archive.7z using
	      "ultra settings"

       -t7z   7z archive

       -m0=lzma
	      lzma method

       -mx=9  level of compression = 9 (Ultra)

       -mfb=64
	      number of fast bytes for LZMA = 64

       -md=32m
	      dictionary size = 32 megabytes

       -ms=on solid archive = on

EXAMPLE 2
       7zr a -sfx archive.exe dir1
	      add  all	files from directory "dir1" to SFX archive archive.exe
	      (Remark : SFX archive MUST end with ".exe")

EXAMPLE 3
       7zr a -mhe=on -pmy_password archive.7z a_directory
	      add all files from directory "a_directory" to the	 archive  "ar‐
	      chive.7z" (with data and header archive encryption on)

SEE ALSO
       7z(1), 7za(1), bzip2(1), gzip(1), zip(1)

HTML Documentation
       /usr/share/doc/p7zip/DOCS/MANUAL/index.htm

AUTHOR
       Written for Debian by Mohammed Adnene Trojette.

Mohammed Adnene Trojette       September 1 2006				7zr(1)
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