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Pack and unpack in 7z format with a Mac
Pack and unpack in 7z format with a Mac

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At line 12 changed one line
for further information. Please see below for a copy of the info, too.\\
for further information about the program. Please type 'q' to quit the help menu and return to Terminal.\\
At line 22 changed one line
Even more smart is to just type in 'cd ' (please don't forget the blank after the letter d and then just drag & drop the folder with the archive inside to the actual cursor position! That saves you a lot of typing! :-)\\
Even more smart is to just type in 'cd ' (please don't forget the blank after the letter d and then just drag & drop the folder with the archive inside the Terminal window to the actual cursor position! That saves you a lot of typing! :-)\\
At line 40 added 9 lines
!!Example for packing with compression and strong AES-256 encryption
7z does not store the owner/group of the file, so adding files using tar before 7z is a good practice:\\
\\
tar cpvf test.tar test.jpg\\
\\
7z a -p -mx=9 -mhe -t7z test.7z test.tar\\
\\
Terminal will ask you after pressing return for your password. Please repeat it once for security reasons and afterwards you are finished. For unpacking please use the example described above.\\
At line 47 changed 38 lines
!!Infos from the Terminal app
NAME\\
\\
7z - A file archiver with highest compression ratio\\
\\
SYNOPSIS\\
\\
7z [[adeltux] [[-] [[SWITCH] <ARCHIVE_NAME> <ARGUMENTS>...\\
\\
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. 7z uses plugins to handle 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}
:
* [https://www.pontikis.net/blog/easily-compress-encrypt-files-using-7z-p7zip-linux] ; further info for compression with strong AES-256 encryption
This page (revision-13) was last changed on 03-Feb-2023 15:21 by Roland B. Wassenberg  Top