7zip

How to pass password to decode LZMA (7zip) encrypted archive in C / Objective-C ?

Does anyone know how to pass password to decode function in LZMA SDK? ...

7-ZIP (LZMA) compression for iPhone (iOS)

Does anybody know if there is an implementation of 7-Zip (LZMA) that would work on iPhone (iOS)? ...

Sample C# .net code for zipping a file using 7zip

I have installed 7-zip 4.65 on my machine at C:\Program files. I want to use it in C# code to zip a file. The file name will be provided by the user dynamically. Can any one please provide a sample code on how to use 7zip in C# code? ...

Licensing implications of calling 7-Zip from within proprietary application

I want to use 7-Zip within my proprietary application. 7-Zip is LGPL Consider that within my application I call via its command line interface using system() something like this: system( "7-Zip -blah -blah" ); If I use 7-Zip this way do I have any obligations under the LGPL? If I wand to distribute 7-Zips' 7z.dll and 7z.exe with my a...

How to unzip a 7zip archive in Android?

The problem is probably quite simple for some of you: I have a 7zip archive which contains some hundred files seperated into different directories. The target is to download it from a FTP server and then extract it on the phone. My problem is that the 7zip SDK contains not really a lot. I am looking for examples, tutorials and snippets ...

Decompress a 7zip archive with multiple files & directories in Java

I want to decompress a 7zip/lzma archive with multiple files & directories in Java. I tried to use the official 7zip SDK, but I failed, as my programming skills are not that advanced for this subject. However I fonud some libraries which make the support in Java easier, speaking of LzmaOutputStream/LzmaInputStream - However I don't know ...

Implementation of 7Zip in JAVA

Dear all, I have downloaded the LZMA SDK from the 7zip website but to my disappointment it does only support compression and decompression and does not support AES cypto. Does anyone know if there is any implementation of 7zip with AES cypto completely in JAVA?. Thanks. Regards, Kal. ...

What compression format should we use; should we lay DEFLATE (.zip) to rest?

With most Linux distributions dropping gzip and bzip2 in favor of LZMA2 for compressing their packages, and many open source implementations for many platforms, I wonder: Shouldn't we lay DEFLATE and the .zip format (which unfortunately got bastardized over and over) to rest, and move on to other, modern ways of distributing our (source)...

How do I use the 7z sdk to extract rar/zip files (C++)?

I'm trying to write a small, cross-platform comic book reader (Qt / C++). I don't care what's already out there, I know there are some. My problem is that I need to read the comic book formats, which are renamed rar and zip files. The documentation is very... nonexistent? There's no "hello archive" document anywho. How can I set this u...

Determine dynamic file name in DOS batch script?

We have a single file in a fixed directory that will have the name database-x.x.x.zip where x.x.x is a version number that can change. We want to create a batch script that will unzip this file - we can use 7zip to unzip the file from a batch script but we need to be able to pass the file name to 7zip - how can we determine the file nam...

running 7-zip from a SQL script

is it possible to call 7-zip from a SQL script? basically i am extracting tables to csv and then packaging them into 7z files. I have installed 7-zip on the machine where SQL Server is installed and added it to the path, but this is not enough it seems. I get the following error when i try to run the script with xp_cmdshell '7z' is not...

Treating 7z files as .NET streams

I would like to chain multiple stream operations (like downloading a file, uncompressing it on the fly, and processing the data without any temp files). The files are in 7z format. There is a LZMA SDK available, but forces me to create an outside output stream instead of being a stream itself - in other words the output stream will have ...

Extracting a 7-zip file "silently" - command line option

I want to extract a 7-zip archive in a python script. It works fine except that it spits out the extraction details (which is huge in my case). Is there a way to avoid this verbose info while extraction? I did not find any "silent" command line option to 7z. My command is 7z.exe -o some_dir x some_archive.7z Thanks. ...

Using LZMA SDK (7zip) in C#

Can any1 tell me how to use LZMA SDK (7zip) in C#? ...

7z get total size of uncompress contents?

How might i get the size of the contents of a zip/rar/7z file after full extraction? Under both windows and linux. I thought about using 7z l filename command but i dont like the idea of the filename interfering with the code counting the size of each file. ...

7z extension for php?

I can't find one and I don't know if any of PHP Compression and Archive Extensions will work. Do you think I could use a compression stream to read data from a 7z file? UPDATE 7z forums have a lot of requests for a php extension ...

How to run exe before or after "RunProgram" from 7zip sfx files setting on config.txt?

I am using 7zip to pack an installation (im using 7z because i need it to work in linux and windows). From what i've been reading the config.txt file can contains this: ;!@Install@!UTF-8! RunProgram="Installer.exe" ;!@InstallEnd@! But what if i need to run another exe before or after running installer.exe? Is it possible like it is i...

How to compress multiple specific folders into individual archives

A folder structure like following: How could I compress the 6 specific folders listed to a archive file, and keep the hierarchy by using way of 7z command line. ...