Questions tagged [7z]

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

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69
votes
3answers
132k views

scp and compress at the same time, no intermediate save

What is the canonical way to: scp a file to a remote location compress the file in transit (tar or not, single file or whole folder, 7za or something else even more efficient) do the above without ...
17
votes
5answers
20k views

How to use 7z to compress via pipe?

I'm using this for creating backups securely (? - is it really secure? with a good password?): # ENCRYPT ORIGDIR="DIRECTORYNAMEHERE"; tar cvf - "${ORIGDIR}/" 2>/dev/null | gzip -9 - 2>/dev/...
11
votes
6answers
6k views

Find recursively all archive files of diverse archive formats and search them for file name patterns

At best I would like to have a call like this: $searchtool /path/to/search/ -contained-file-name "*vacation*jpg" ... so that this tool does a recursive scan of the given path takes all files with ...
10
votes
3answers
16k views

How to use 7z to archive all the files and directories (including hidden ones) in a directory?

Because of specifics of my archiving needs I am not comfortable with solid tar.gz archives and use 7z instead. I use the following command to do this: 7z a -t7z -m0=lzma -mx=9 -mfb=64 -md=32m -ms=...
9
votes
2answers
6k views

Add a file to a different path in a zip file

I have a file that placed in the following directory: folder_A/another_folder_A/file_to_add.xml Now, what I want to do is simply add the file to a folder in an existing zip archive. For example ...
7
votes
4answers
13k views

howto inflate AND extract a .tar.bz2 using the 7-zip command line tool

I have a .tar.bz2 file that I want to be decompressed and extracted via the 7-zip commandline tool. So basically I'm looking for the equivalent of tar -xjf foo.tar.bz2 with 7-zip there is only the ...
6
votes
3answers
8k 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 ...
6
votes
3answers
10k views

How to specify character encoding for 7z?

Doing "7z x" on 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' ...
5
votes
3answers
2k 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 ...
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 ...
5
votes
1answer
1k views

Can I command 7z to skip compression (but not inclusion) of specific files while compressing a directory with its subs?

There is a feature of the WinRAR (for Windows) archiver I love a lot: it can be set up to skip trying to compress particular files (based on their extension (name pattern)) while including them into a ...
4
votes
2answers
4k 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 -...
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 ...
4
votes
2answers
1k 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 ...
3
votes
1answer
1k views

7zip context menu appears twice

7zips context menu appears twice to me when I right-click to a file.. Same thing happens in both dolphin and krusader. It looks like this: I've found 7zips readme.txt in /usr/share/kde4/services/...
3
votes
1answer
146 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
2answers
77 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 ...
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/...
2
votes
2answers
3k 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 ...
2
votes
1answer
46 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 ...
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 ...
2
votes
1answer
376 views

Can p7zip create smaller zip files than winzip?

7-Zip for Windows creates smaller zip archives than WinZip, so presumably P7zip can create smaller zip archives than Zip in Linux. So how do I create zip files using P7zip in Linux?
2
votes
1answer
1k views

Delete files in .7z package

I am using FileRoller to manage the *.7z and using Ubuntu 12.10. When the *.7z file is encrypted, I can add new files to the package, I can modify text files, can I delete files too?
2
votes
1answer
480 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"...
2
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
0answers
381 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 ...
2
votes
3answers
13k 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
377 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/...
1
vote
1answer
500 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
3answers
5k views

7z command line add file to a flat directory 7z file

I would like to compress file "./data/x.txt" to path "./data/x.7z". When running 7z a ./data/x.txt.7z ./data/x.txt The file "./data/x.txt" holds data/x.txt as opposed to just (what I want) x.txt ...
1
vote
3answers
553 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
415 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.
1
vote
1answer
636 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....
1
vote
1answer
1k 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 ...
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 ...
1
vote
1answer
69 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 ...
1
vote
1answer
526 views

How to extract the Nth file using 7-zip

I have an archive which, for reasons beyond my comprehension, contains 900 files all with the same name. That means that if I ask 7zip to extract them all, at the end there is just one file. The ...
1
vote
0answers
602 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 ...
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" ...
1
vote
1answer
276 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 (...
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?
1
vote
3answers
1k views

What is the correct way to upgrade 7zip on Solaris 10?

I currently have an old old version of 7zip installed (4.55 beta) on Solaris 10. It is located in /usr/bin/7z. Found using which 7z I have downloaded a new version 9.20.1. The README says to edit the ...
0
votes
2answers
645 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
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 ...
0
votes
1answer
495 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 ...
0
votes
2answers
721 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 ...
0
votes
1answer
371 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.....
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 ...
0
votes
1answer
1k 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 ...