7z Compression and Decompression commands

When writing a lot of tools, the 7z command may be used to compress and decompress the operation. Here are two more commonly used operations: compression, decompression.

Enter the 7z command in the DOS window to display the details of the 7z usage parameters:

7-zip 9.10 Beta Copyright (c) 1999-2009 Igor Pavlov 2009-12-22

usage:7z <command> [<switches> ...] <archive_name> [<file_names> ...]
[< @listfiles ...;]

<Commands>
A:add Files to archive
B:benchmark
D:delete Files from archive
E:extract files from archive (without using directory names)
L:list contents of Archive
T:test Integrity of Archive
U:update Files to archive
X:extract files 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
-m{parameters}: Set compression Method
-o{directory}: Set Output Directory
-p{password}: Set Password
-R[-|0]: Recurse subdirectories
-scs{utf-8 | WIN | DOS}: Set CharSet for list files
-sfx[{name}]: Create SFX Archive
-si[{name}]: Read data from stdin
-slt:show Technical information for L (List) command
-so:write data to stdout
-ssc[-]: Set sensitive case mode
-ssw:compress Shared files
-t{type}: Set Type of archive
-u[-][p#][q#][r#][x#][y#][z#][!newarchivename]: Update options
-V{SIZE}[B|K|M|G]: Create volumes
-w[{path}]: Assign work directory. Empty path means a temporary directory
-x[r[-|0]]]{@listfile |! Wildcard}: EXclude filenames
-y:assume Yes on all queries

Required Parameters: The most commonly used commands are a (compressed), X (decompression), other commands such as Delete, extract out of the directory structure is not preserved, generally do not use.

Optional Parameters: The most common is-t{type}

The default value for type is 7z, and there are other such as:

Type	Format	Example filename
-t7z	7Z	archive.7z (default)
-tgzip	Gzip	Archive.gzip,archive.gz
-tzip	Zip	Archive.zip (compatible)
-tbzip2	BZIP2	Archive.bzip2
-ttar	TAR	Tarball.tar (Unix/linux)
-tiso	Iso	Image.iso (may not be supported)
-tudf	Udf	Disk.udf

Commonly used is-t{type} and-R,-O,-y

Decompression command: 7z x-tzip-y Xx-13.zip (unzip to the current directory, if you want to change the output directory, need additional use-O)

Compression command: 7z a-tzip-r xx.zip a\* b\*

Compress directory A, directory B, into a xx.zip

For more details on the parameters, please refer to here: Http://www.dotnetperls.com/7-zip-examples

In the Windows 64-bit operating system, in addition to the need for 7z.exe, but also need 7z.dll, I will pack them as a zip file, or you may encounter the above error when you execute the command. You can download it directly from here >>

7z Compression and Decompression commands