Questions tagged [7-zip]
7-Zip is an open source file compression and archiving application
825
questions
1
vote
1
answer
70
views
Increase number of items in 7Zip Extract to menu
I was curious on how to expand the number of recent items in 7Zip's "Extract files..." menu to include more recent items in the "Extract to" field. Right now, the "Extract to" field only remembers the ...
1
vote
1
answer
203
views
Extracted files not recognized
I extracted a tar.gz file with 7-Zip.
It worked fine, all the files and folders are now visible and have names, different size and so on, yet I cannot open them.
And the icons are all the same - a ...
0
votes
1
answer
923
views
7z a folder in chunks of 100MB and decompress
I am trying to 7z a folder (in chunks of 100MB) and add it to archive in Linux. Is the following command correct?
tar cf - dir/ | 7z a -v100m -si dir.tar.7z
How can I decompress the folder? I have ...
0
votes
1
answer
1k
views
Cannot unzip with zip command line
I am having difficult unpacking a zip to a specific directory. I am trying to get all contents of subdirectory of the zipped file and not the parent directory. This is parent directory within zip ...
0
votes
1
answer
71
views
Move data with compression
I'm using win 7.I have disk ~2Tb which one I want to format so I need to move data from it to other disk, but the problem is that I have not another 2Tb disk and I think I can compress data(on the fly)...
0
votes
1
answer
4k
views
7z commandline: test archive and only show failures?
What is the easiest way to get only the failures from 7z when testing an archive for integrity?
Looking at the command-line options, there seems to be no verbose or non-verbose option (i.e. there ...
1
vote
1
answer
3k
views
7-zip -xr!*.bat is creating an empty archive with the batch files name
I am trying to exclude files from a 7-zip batch.
The syntax is:
for %%A in (*) do "C:\Program Files\7-Zip\7z.exe" a -tzip -xr!*.docx "%%A.zip" "%%A" -xr!*.bat
The command is creating zip files ...
8
votes
2
answers
11k
views
7zip - self-extracting executables require admin privileges and trigger compatibility warning
When I create self-extracting archive executables for Windows with 7zip, the .EXEs trigger UAC on Windows7. And frequently after unzipping, I get this:
I'm using commandline like: 7z a -sfx7z.sfx dir\...
2
votes
4
answers
58k
views
How can I create a batch job (.bat) that zip a folder?
From 7zip I've downloaded their command line tool 7za.exe, and I have to following script:
echo off
cls
set zip ="C:\7za.exe"
set filename="%date%.backup.zip"
set pathtobackup="C:\MyDocs"
%zip% -...
4
votes
4
answers
5k
views
Does 7zip compression level affect decompression speed?
I have a directory that I would like to password protect and encrypt. I am using PeaZip to do this using 7zip compression. I'd like to use the 7z like a directory and hard drive space is not a concern,...
1
vote
2
answers
3k
views
7zip, Extract to a folder as default in the GUI
I am using 7zip for the first time coming over from WinRAR but its missing an important feature for me.
I want to be able to extract my files to a folder like so:
C:/Downloads/file.zip
press extract ...
9
votes
2
answers
5k
views
How can I specify the order files should be compressed in 7zip?
I have a set of files I would like to compress that I know to be repetitive and compressible, but 7zip chooses a non-optimal order to compress the files and fails to take advantage of their ...
3
votes
1
answer
9k
views
Command line 7Zip to extract file by specified result path
Is it possible to make 7Zip extract one file by name from archive to specified full path (including new filename)?
I've found only:
7zip e <archive> -o<resultDirectory> <filemask>
...
1
vote
1
answer
2k
views
How to open corrupted 7z password protected file
I have encrypted a file using 7-Zip. When I try to open it, it is giving an error message of
Cannot open file "<File/Directory location>" as archive
I have saved my password and password is ...
3
votes
1
answer
2k
views
Command line 7Zip to create archive without extension
If I specify full extensionless result path 7zip adds one corresponding to the type of created archive.
How can I make it name the result file exactly as I have specified in command line argument?
0
votes
0
answers
737
views
Can't extract really long file name with 7-zip
I have scoured this page which seems to be the only info I can find on extracting really long file names. Although the examples in this page deal with compressing, I would think the same principles ...
2
votes
2
answers
2k
views
Read x64 registry branch from 7-zip SFX Installer via PowerShell
I want my 7-zip self-extracting archive to run a PowerShell script after it extracts files. To do that, I use method described here: http://www.sphaero.org/blog:2011:...
1
vote
1
answer
7k
views
7-zip backup folders, exclude some of folders but keep excluded folder's name
By using 7-zip in Linux I need to
save zip file to absolute path: /var/www/vhosts/mysite.com/httpdocs/app/webroot/myfiles.7z
backup all files and subfolders inside this: /var/www/vhosts/mysite.com/...
2
votes
2
answers
1k
views
7zip: Extract archive(s) which take up >= 50% of HDD
How can you use 7zip to extract a collection of .rar files which if extracted normally would surpass the size of your HDD?
Say your HDD was 10GB, if you had a zip archive of 5GB, how could you ...
5
votes
3
answers
13k
views
How to show extraction progress of 7zip inside cmd?
7z.exe do not show any extraction progress in cmd."C:\Program Files\7-Zip\7zG.exe" -y x -pPASSWORD "D:\Myfile.rar" Extracts the file with a GUI progress-bar. But I don't want a GUI progress bar. I ...
2
votes
1
answer
1k
views
How to hide error dialog box in 7zip?
I am using "C:\Program Files\7-Zip\7zG.exe" -y x -pmypassword "D:\Myfile.rar" -o"D:\Extracted Files\" for extracting a file encrypted with password. Now if 'mypassword' is not the correct password ...
8
votes
2
answers
13k
views
How to unzip a zip file to a folder but avoid duplicate folders?
I think you all know that: you're getting a zip file and you don't know whether it contains all files in a folder or only the files. In order to not get a messed up directory, I never use "Extract ...
4
votes
4
answers
52k
views
Why a "Not enough space on disk" error on 7zip even with sufficient space?
I am using 7-zip to split a large folder (>200 GB) into chunks of 4.7GB so that I can burn them onto a DVD. But for now, I am storing these chunks in an external hard disk which has ~300GB of space. ...
0
votes
1
answer
2k
views
Can decompress RAR files with 7z.exe command line?
Can extract RAR files from the terminal with 7z.exe? Thanks!
This lines doesn´t works on a Extract.bat file.
7z.exe X Xbox.rar -o
13
votes
1
answer
28k
views
How to stop 7-Zip from automatically downloading and opening a zip file in Chrome?
I have checked the "Ask where to save each file before downloading" option in Chrome settings yet after installing 7-Zip, every time I click on a link which targets a .zip file:
chrome doesn't fire ...
3
votes
1
answer
545
views
Is there a way to compress files at different compression levels inside a single 7zip file? [duplicate]
Some files are compressed using their own compression scheme and some aren't. If I try Max compression on an already compressed file, I'll get 1%-2% better compression at most. The amount of time ...
11
votes
1
answer
22k
views
How to exclude a folder in 7zip?
I want to compress the folder C:\Temp but without a specific subfolder (e.g. C:\Temp\test). How can I do that with 7zip?
I've come up with the following command:
c:\Temp>7zip a -t7z test.7z c:\...
0
votes
1
answer
75
views
Is it possible to strip the extension before archiving?
I'm not sure about this, but is it possible to save files in an archive under a different name? I'm trying to do this as I'm currently using 7-zip as part of a batch file script to process a bunch of ...
5
votes
1
answer
2k
views
7zip command to extract with full paths (excluding first folder level)
Using 7zip command line version, I need to extract a .7z file with full paths but excluding the first folder level within the archive.
I thought that this command below would work but it still ...
11
votes
3
answers
67k
views
What does the percent sign (% and %%) in a batch file argument mean?
I think I'm missing something because I can't seem to find what this means.
Example:
for /D %%A in (*) do "\7za.exe" u -t7z -m9=LZMA2 "%%A.7z" "%%A"
That line was supposed to use a command line ...
0
votes
1
answer
1k
views
7zip commandline equivalent of these gui settings?
I'm trying to compress an archive using the following GUI settings: 7z, Fastest, LZMA2, Dict 64KB, Word 32, solid block 8mb, cpu threads 8.
"C:\Program Files\7-Zip\7z.exe" a -t7z -m1=lzma2:d64k:fb32:...
0
votes
2
answers
9k
views
How to install non Microsoft USB device driver on PC without admin rights?
I am running Win 7x32 secured corporate laptop. My USB audio device has .exe installer file which is not possible to execute because of having no admin rights. Is it possible to embed driver files in ...
1
vote
1
answer
496
views
Extracting one file from archive: 7-zip requires decompressing entire archive?
I've noticed that when browsing an archive containing multiple files with 7-zip 9.20 Windows GUI, extracting one file for previewing takes significantly longer with .7z than .rar archives. With .7zips ...
4
votes
1
answer
4k
views
What does the number after 7-zip's -m switch mean?
7-zip has a command line switch to set the compression method, -m followed by a number, e.g.
-m0=LZMA.
What does the number (0 in the example) mean? Different numbers produce slightly different ...
2
votes
1
answer
7k
views
How to create a locked (read-only) 7zip archive?
You can create a "locked" RAR archive using WinRar such that the files can't be modified or deleted, and they become readonly without using a password. Is it also possible with 7z format?
It is ...
0
votes
1
answer
3k
views
zip sub folders individually
can anyone help me make a batch file for my problem. i have multiple folders that i want to compress individually.
root
folder 1
file 1
file 2
...
8
votes
1
answer
23k
views
7-zip - how to use command line to include/exclude large list of files
I'm (trying) to develop a program to operate the 7-zip console program (7z.exe) via ShellExecute() and passing it a computer-generated list of files.
Now what I want to do is this :
I want to pass ...
5
votes
6
answers
6k
views
What other archive formats save Date Created and Date Accessed?
Compressing Files
When zipping files with Windows' built-in zip utility, it will not save the Date Created in the archive:
Also, I just found a bug where Windows will not save the Date Modified of ...
0
votes
1
answer
656
views
Why doesn't 7-zip appear in the contextual menu in Windows Explorer for MATLAB's .mat files after installing MS Office?
I use MATLAB and after installing MS Office 7-zip doesn't appear any more in the contextual menu when trying to zip some .mat files: http://youtu.be/uJvSC4oCes8. How can I solve it?
0
votes
1
answer
2k
views
7Zip and forfiles - Invalid argument/option - 'a'
I need some help with a script I'm working on. It seems I'm missing something. The command line is as follows:
forfiles /P "F:\source_path\" /M *.bak /D -1 /C ""D:\7za\7za a -tzip -mx7 -v40m E:\...
52
votes
12
answers
97k
views
Missing Explorer menu options for 7-Zip
Just reinstalling 7-Zip (v.9.2) to a new system, and I cannot find the context-menu option in Explorer. In the 7-Zip options there is no plugins tab (as detailed in the documentation) to change this ...
4
votes
4
answers
13k
views
7-Zip command line -p switch is not working according to the help page
I want to be able to automate the encryption of the file type .pcapng in a Windows batch script. My current problem is that I get an error when extracting the encrypted file saying something along the ...
0
votes
3
answers
2k
views
How to store complete path using 7z on linux
I am looking for a simple way to backup files that have changed in the last 24 hours and creating a daily 7zip file ( I don't need permssion or users just files ).
Using the following command I can ...
0
votes
1
answer
722
views
How to create ZIPs with the content of every folder [duplicate]
I have several folders and I need to compress the content of each folder in a separate ZIP file. However, every ZIP should only contain the content of each folder and not the folder itself.
The ...
1
vote
2
answers
1k
views
7zip is incompatible with tar format created by git archive
% git archive --format tar master > archive.tar
% file archive.tar
archive.tar: POSIX tar archive
% tar cf a.tar archive.tar
% file a.tar
a.tar: POSIX tar archive (GNU)
7zip cannot unpack tar ...
1
vote
1
answer
3k
views
7zip - compress the contents of each folder in a directory
I basically want to compress each file in each folder, delete the original file and leave the folder uncompressed. I don't want to compress the whole folder, only the contents in it. That, with 7zip ...
1
vote
1
answer
1k
views
find files with spaces modified in last 60 days and tar.gz in files no bigger then 4gb with date
I maintain a file server.
I need to backup files that have changed in a period of time.
First i compressed up everything to 4gb files and backed up to dvd. But 7z that I was using
7z a -t7z /home/...
1
vote
0
answers
508
views
How can I create a self-extracting executable from the windows command line that accepts the default install directory as a parameter?
I have tried several different methods including winzip command line and 7zip, but I cannot find a method that will let me create a self-extracting executable that will extract to a specific directory ...
9
votes
6
answers
50k
views
7z file manager crashed and left temp files behind
So I did a drag&drop extraction from 7z (windows), which creates temporary files (this was on purpose, as I was extracting to a network share.)
Unfortunately, 7z crashed during this process and ...
10
votes
2
answers
44k
views
How do I add a file to a zipped file when using 7-zip?
I used to be able to drag & drop and add a file to a zipped folder. Now I cant when using 7-zip. I upgraded to a new computer with windows 8 (nightmare) that has 7-zip and I would either like to ...