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p7zip
p7zip is a command-line port of 7-Zip for POSIX compliant systems such as Unix, OS X, BeOS and Amiga. Created by Igor Pavlov, the 7-Zip compression type uses one of the highest compression ratios currently available. Since version 4.10 it supports little and big endian machines.[1]
Installation
USE flags
USE flags for app-arch/p7zip Port of 7-Zip archiver for Unix
kde
|
Add support for software made by KDE, a free software community |
natspec
|
Use dev-libs/libnatspec to correctly decode non-ascii file names archived in Windows. |
pch
|
Enable precompiled header support for faster compilation at the expense of disk space and memory |
rar
|
Enable support for non-free rar decoder |
static
|
!!do not set this during bootstrap!! Causes binaries to be statically linked instead of dynamically |
wxwidgets
|
Add support for wxWidgets/wxGTK GUI toolkit |
Emerge
p7zip can be installed by running:
root #emerge --ask app-arch/p7zipUsage
Invocation
There are three different ways to invoke the compression utility:
- 7z
- 7za
- 7zr
If compiled with the wxwidgets USE flag it also provides a graphical interface.
- 7zG
- 7zFM
Also a wrapper included is for 7za:
- p7zip
Extraction to current directory
To extract all files from an archive to the current directory without using directory names, use the following command:
user $7za e <archive name>Where <archive name> is to be replaced with the archive's name.
To extract with full paths, use the following command:
user $7za x <archive name>Extraction to a new directory
To extract into a new directory, use the following command:
user $7za x -o<folder name> <archive name>Where <folder name> is the name of the new folder.
See also
- tar - GNU's tarball generator software (used extensively by Gentoo Linux).
- zip - Provides classic zip compression.