Questions tagged [7z]

7z is a compressed archive file format. It's also an application that handles multiple compression formats.

Filter by
Sorted by
Tagged with
0
votes
1answer
34 views

What archival method (tar, zip, 7z, etc) allows me to retain folder modification dates on macOS?

I currently have a directory in a hard drive, say TopFolder which contains 3 subfolders, Folder1, Folder2, and Folder3. When I am in the top level directory of the hard drive, and do: tar cf TopFolder....
0
votes
1answer
125 views

Preserve file permissions and symlinks in archive with 7-Zip

I have a directory test with three files, ls -l test: total 8 -rw-r--r-- 1 mb mb 16 Jul 25 11:12 regular_file -rwxr-xr-x 1 mb mb 19 Jul 25 11:02 script.sh lrwxrwxrwx 1 mb mb 12 Jul 25 11:14 symlink -&...
1
vote
1answer
56 views

GNU parallel + gunzip (or 7z, or bsdtar, or unzip): extract every “archivename.zip” into (to-be-created) its “archivename” subfolder

As in title. I've got a lot of ZIP archives that I want to extract. All archives have their own unique name. All archives contain files only (inside archives there are NOT folder(s) at all: no ...
1
vote
2answers
22 views

How to get file names in archive with 7z

Using 7z, I'd like to print the names of the files inside an archive. The output of 7z l myArchive.7z is 7-Zip [64] 16.02 : Copyright (c) 1999-2016 Igor Pavlov : 2016-05-21 p7zip Version 16.02 (...
0
votes
0answers
557 views

Unable to open 7z-Archive: Open ERROR: Can not open the file as [7z] archive

I'm trying to open a 7z-File which I've packed with my phone using the ZArchiver app. Probably the process was interrupted and some files have gone missing, but that's not a huge problem. Ark and ...
0
votes
1answer
127 views

7zip client: Compress dirs with method PPMd & compression level Ultra

So today, I am trying to compress multiple folders, of old photos which I want to backup. I've found this article, that says method PPMd, and compression level Ultra, are far better for image ...
2
votes
4answers
823 views

Create archive (tar.gz, …) from file given via stdin

I would like to automatically create a compressed archive from a file given via stdin (or create the archive, if it doesn't exist yet), while specifying the file name that it's going to have inside ...
1
vote
1answer
496 views

Batch 7zip all files separately in a directory (Centos 7.6)

I am trying to 7zip all files inside a directory separately into their own archive (for each file) in Linux Centos 7.6. Been looking around for a while but never found a method.
2
votes
1answer
51 views

How to obtain only fully decompressed files in destination folder when decompressing zipped file?

I'm trying to decompress a big zip file containing more that a hundred files, 128 MB each. When the decompression is interrupted, I have to delete the last file that was being decompressed, and ...
0
votes
1answer
580 views

7zip archive extraction fails [closed]

I'm going to use bigfile, smallfile1, and smallfile2 to always refer to the same file names without file extension. The two small ones don't have any. I created an encrypted 7zip archive using this ...
-1
votes
1answer
1k views

How to split a compressed file?

I have a 44GB 7z compressed file that I compressed with lzma2 and it took around 11 hours (original file is a text file of 285GB). 7z a -t7z Files.7z -m0=lzma2 -mx=9 -aoa So, what I want is to do is ...
5
votes
2answers
5k views

Extracting a specific file from an archive using 7-Zip

I run Linux Live CD and I need to extract a specific file from a wim-archive that is located on a disk drive. I know a full path to the file in the archive: xubuntu@xubuntu:~$ 7z l winRE.wim | grep -...
3
votes
1answer
195 views

Create separate 7z archives for each directory in the current directory and additionally parallelize through GNU Parallel

I have about two hundred sub-directories located within a directory of interest: $ ls backup 201302 201607 201608 201609 201610 201701 201702 201705 201801 201802 I want to create a 7z archive xyz....
2
votes
1answer
620 views

How can I combine multiple 7z archives into one?

I'm trying to make a bash script that takes a large number of 7z archives and combines them into one archive. Here's what I have so far. #!/bin/bash DUMPPATH="/home/backups/dumps/" NEWPATH=$DUMPPATH"...
5
votes
3answers
3k views

Check if file is an archive; if yes, extract

How can I check if a file is an archive and then extract it with 7z? I understand that I could check it by file command but it won't work in scripts because of its output. I can't predict what type of ...
0
votes
1answer
923 views

extract multipart 7z files in centOS terminal

How do I extract multipart 7z files (doc.7z.001, doc.7z.002...., doc.7z.060) in centOS terminal? I tried concatenating all the parts to a single file using this command below, cat doc.7z* > ./docs....
2
votes
2answers
79 views

bash script: a more elegant way to perform these operations:

I have these three files: file.txt.7z = 5.4GB file-1.txt.7z = 251M file-2.txt.7z = 7.7M And they are the only files in a directory: $ tree . ├── file.txt.7z ├── file-1.txt.7z └── file-2.txt.7z I ...
0
votes
1answer
2k views

How to overwrite content in a 7z archive created from a pipe?

Purpose I'm creating a function that dumps a database table to a compressed 7z file. The output of mysqldump is piped to 7zr with the -si switch. There should always be one file and one file only in ...
1
vote
1answer
732 views

Creating a checksum of a 7zip archive being created from a tar file being created

I want to solve a problem (which you can read about here as I don't feel like this should be part of the question). So this is what I came up with: $ tar -cO Templates | 7z a -si -mx=3 -p /t/out.tar....
2
votes
1answer
1k views

Encrypt file list when creating 7zip archive on command line

When creating a 7zip archive with file-roller, there is a checkbox labeled "Encrypt the file list too". And it seems to work as you cannot see the file list when opening an archive created with this ...
1
vote
0answers
639 views

Create a 7z archive without compression using Ark

I'm using KDE on Debian Stretch, and Ark is installed by default (version 16.08.3). I find it really convenient and easy to use. However, I cannot find a way to create a 7-zip archive without ...
5
votes
2answers
2k views

How can I repack zip to 7zip?

How can I safely and quickly repack a zip archive to a 7zip archive? I checked options of 7zip program but I don't see any option to repack. I know I can extract to directory and then pack this ...
1
vote
1answer
2k views

Validate password for a large set of zip files

I am working on an ETL process for a customer. Another vendor has provided the raw data as a set of approximately 100 password protected ZIP files. I want to validate that the password given is ...
0
votes
1answer
130 views

gzip uncompressing a bigger file than it lists

So when I use the list flag of gzip the uncompressed size is listed as 3.5g (with ratio of -9.0%): $ gzip -l piTorrentbox101216.gz compressed uncompressed ratio uncompressed_name ...
4
votes
3answers
14k views

file-roller: An error occurred while loading the archive (Zip/7z)

As I don't use GUI for archive extraction much, I don't know since when this error I am getting: An error occurred while loading the archive. This error I get while trying to open an ordinary Zip ...
1
vote
3answers
477 views

What is the proper way to use an alternative binary

I am on Linux Mint 18 Cinnamon 64-bit. I have these binaries of 7z and their versions on my system: /usr/bin/7z 7-Zip [64] 9.20 Copyright (c) 1999-2010 Igor Pavlov 2010-11-18 and /usr/local/...
0
votes
2answers
828 views

File zipped using 7za cannot be unzipped using zip utility

I have created this file using 7za command called test.war # file test.war test.war: 7-zip archive data, version 0.4 I am trying to extract this file in another RHEL machine using command : # unzip ...
7
votes
4answers
12k views

How to specify character encoding for 7z?

Doing 7z x on an archive gives me '20 ª.1 ¯® '$'\302\212''¨à®¢®£à ¤áª ï ã«.rtf' IMG_6527.JPG ''$'\302\212''¨à®¢®£à ¤áª ï, ¨áâ.doc' IMG_6532.JPG ''$'\302\204''®¯ ᮣ« è¥­¨¥(3).doc' ...
0
votes
1answer
500 views

7zip and Move Files with Spaces in Bash Script [duplicate]

I'm trying to 7zip and move some files that look like this: ./[1998] - This year's book.pdf ##note the brackets, spaces, and apostrophes My script looks like this: for file in `ls ./unprocessed/*....
0
votes
1answer
385 views

How to use 7z and “for file” with multiple file inputs?

I have multiple files in a folder like: 1.txt 2.txt 3.txt ... 100.txt And I want to use 7z to compress single files, generating 1.7z, 2.7z 3.7z... I'm trying to use this: for file in {1..100} ./{1.....
1
vote
2answers
3k views

How to get number of files in a 7z

I want to get the number of files (included directories) contained in the root of a 7z archive, but the 7z command on Linux don’t bring a simple way to only get the number and noting else. For ...
1
vote
2answers
4k views

E_FAIL Error in 7zip

I've done a Backup some time ago using 7zip, in which I split the Files in 14 2GB (approximately) files. I'm running Ubuntu Server 15.10. This is what I'm trying to run in order to extract them: 7z ...
2
votes
2answers
4k views

Command to verify CRC (CRC32) hashes recursively

With the commands md5sum, sha1sum, sha256sum I can take a text file having an hash and a path per line and verify the entire list of files in a single command, like sha1sum -c mydir.txt. (Said text ...
1
vote
1answer
538 views

How to use bash to archive all directories?

I'm trying to learn bash -slowly- but finding it difficult to get a grasp of the more technical aspects without a real-word example that fits something I would want to use. To that end, I'd like to ...
1
vote
1answer
71 views

Function for archiving arbitrary files with encryption

I'm no so advanced in bash so can not make my function work properly. Here is the code: archive() { for f in $PWD do for ((i=1; i++;)) do 7za a "$1".7z $f -pSECRET -mhe done ...
0
votes
1answer
4k views

Compressing files using p7zip from the command-line

I would like to compress four ISO files using 7z into a new archive called ISOs.7z from the command-line on my Sabayon machine. These are the commands I have tried so far (I know none of these specify ...
3
votes
1answer
477 views

Pass passwordlist to 7zip

I'm writing a shellscript to automate my 7zip, rar etc extraction tasks. Normally JDownloader2 does this for me when I download files through it, but when I download files by hand I will still need to ...
5
votes
2answers
3k views

Get percentage information from 7z command in bash

With archives containing more than 30 files, list of extracted files quickly stops being interesting. I a making a script that extracts a .war archive into a tomcat app folder: When looking in help ...
1
vote
1answer
2k views

7z is not excluding directories from exclude file

In a bash script I want to create an archive with 7z and exclude some directories. I created an exclude file that only contains one entry: excl_dir/ My script: #!/bin/bash archiveName="my_archive" ...
6
votes
3answers
9k views

How to compress a mysql dump using 7z via a pipe?

I've been attempting to compress my mysqldump output via 7z using the pipe operator (I have seen this question, but its answer uses xz not 7z). This is what I have tried so far: mysqldump -u root -p ...
0
votes
1answer
154 views

CentOS Crontab - Extract particular file name

Let's assume that I have a file with extension of .7z and I have a crontab that extracts this file. But the name is unknown, only the extension is known, is it possible to extract it from crontab? ...
4
votes
2answers
7k views

7za - Extract file with password

I have a .7z file which I need to extract the contents of. The problem is, that it's password protected and currently, I have to SSH into the server and enter the password. I would like to this ...
1
vote
1answer
283 views

7za with password not working while extraction

I am creating a password protected file using 7za, command: 7za a /usr/test/loc/file.del.7za /usr/test/loc/file.del -p .... Creating archive /usr/test/loc/file.del.7za Enter password (...
2
votes
1answer
3k views

Linux 7zip destination folder?

I want to zip with 7zip a folder to specific destination. There is in manual a guide to use -o{folder} but how does it really work? Example: 7z a -t7z backup1 /home/example/folder -o/home/backups/...
1
vote
1answer
1k views

How to undo and revert an accidental `7z e`

I accidentally typed 7z e archive.7z and all the files ended up in my home directory when I wanted to extract them in a subfolder. How can I clean the mess and remove all those files?
3
votes
1answer
4k views

How to use PPMD with 7z under Linux?

How can I use the 7z compression with PPMD algorithm? It produces better compression than the default in 7z.
-2
votes
1answer
283 views

7z command for unzip -p -a [duplicate]

I have a command line execution in my .sh file which unzips the file which is in zip format. Below is the command which unzips the file unzip -p -a. elif [ "${FILECOMMANDOUTPUT}" = "Zip" ] then ...
-2
votes
2answers
2k views

Corresponding 7zip command for unzip -p -a

I have a question regarding unzip command in Unix. As of now my Unix command unzip -p -a is able to zip the file which are lesser in size. But if the file size is larger then the command is not able ...
0
votes
2answers
682 views

Why don't the servers use 7z?

By default on a UNIX machine install, I can see the logs are rotated with gzip. Question: Why doesn't the UNIX world use by default 7z? It would be much more efficient than gzip.. I just compressed ...
0
votes
1answer
1k views

Extracting a 2.7GB 7z file

I currently have a 2.7GB 7z file that backed up my computer (it extracts to about 6.2GB of data) I am running on a Chromebook with Crouton. The Chroot is running Kali with a Unity front end. I am ...