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Difference between revisions of "RAR"

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RAR Archives (Roshal Archive file format) is a proprietary format for storing information created by Eugene Roshal. The format is currently handled by Alexander Roshal, Eugene's relative.
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RAR Archives (Roshal Archive file format) is a proprietary format for storing information created by Eugene Roshal. The format is currently handled by Alexander Roshal, Eugene's brother.
  
 
==Format==
 
==Format==
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==Metadata==
 
==Metadata==
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The RAR format is comprised of many sub-formats that have changed over the years. The different formats and their descriptions are as follows:
 
The RAR format is comprised of many sub-formats that have changed over the years. The different formats and their descriptions are as follows:
:*  
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:* 1.7
 +
:* 2.0
 +
:* 2.9
 +
:* ...
 +
 
 +
 
 +
 
  
 
==Software==
 
==Software==

Revision as of 11:36, 2 April 2012

RAR Archives (Roshal Archive file format) is a proprietary format for storing information created by Eugene Roshal. The format is currently handled by Alexander Roshal, Eugene's brother.

Format

The file has the magic number of:

52 61 72 21 1A 07 00

Metadata

Sub-formats

The RAR format is comprised of many sub-formats that have changed over the years. The different formats and their descriptions are as follows:

  • 1.7
  • 2.0
  • 2.9
  • ...



Software

This only way to create a RAR file is using the Winrar software. There are several implementations of the process to open a RAR file (commonly known as the "unrar" process). Some of them are:

unrarLib
  • RAR file unarchiver written in C
  • Easy implementation with a header file and the source code file
  • Information Link
WinRAR
UnRAR
  • Created by Eugene Roshal for opening up RAR files only
  • May not be used to reverse engineer the RAR file format and create RAR files
  • Source code provided for people to implement/integrate methods of opening RAR files
  • Additionally, implementations of UnRAR are available for a plethora of operating systems
  • Download Link
The Unarchiver
7-Zip
  • Utility made for Windows applications to open a multitude of files, including RAR files
  • Download Link

See Also