7z之使用方式

官网地址:

http://sparanoid.com/lab/7z/sdk.html


c++下建议编译:

lzma938\CPP\7zip\Bundles\Alone7z\Alone.dsw

生成7zr.exe,使用方式如下


命令:

NAME

       7zr - A file archiver with highest compression ratio

SYNOPSIS

       7zr [adeltux] [-] [SWITCH]  ...

DESCRIPTION

       7-Zip  is  a  file  archiver  with  the  highest compression ratio. The
       program supports 7z (that implements LZMA compression algorithm),  ZIP,
       CAB,  ARJ,  GZIP,  BZIP2,  TAR,  CPIO, RPM 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,  but does not need any others. 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/MANUAL/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
              directory.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
                     compressed

              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
       directory.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
              "archive.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.

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