"analog" contexts, consisting of the high-order bits of previous 8- or 16-bit words (useful for multimedia files)."sparse" contexts, for example, the second and fourth bytes preceding the predicted symbol (useful in some binary formats).whole-word n-grams, ignoring case and nonalphabetic characters (useful in text files).n-grams the context is the last n bytes before the predicted symbol (as in PPM).Most PAQ versions collect next-symbol statistics for the following contexts: Unlike PPM, a context doesn't need to be contiguous. Context mixing is related to prediction by partial matching (PPM) in that the compressor is divided into a predictor and an arithmetic coder, but differs in that the next-symbol prediction is computed using a weighted combination of probability estimates from a large number of models conditioned on different contexts. PAQ is free software distributed under the GNU General Public License. Specialized versions of PAQ have won the Hutter Prize and the Calgary Challenge. PAQ is a series of lossless data compression archivers that have gone through collaborative development to top rankings on several benchmarks measuring compression ratio (although at the expense of speed and memory usage). ( March 2011) ( Learn how and when to remove this template message) Please help to improve this article by introducing more precise citations. It is very user-friendly, enabling you to launch a job in just a few seconds.This article includes a list of general references, but it lacks sufficient corresponding inline citations. Overall, CabMaker certainly gets the job done, provided you only need a tool that lets you create a CAB file quickly and have no need for other options. When the operation is completed, a complete log will be displayed, which also lists the compression ratio. It only offers the most basic options, but you can always grab the source code and add anything else you need yourself.Īfter selecting the source files and configuring the job, you can keep track of its progress from the Output field. It is important to note that this application does not allow you to use every function supported by the Windows Makecab utility. No-nonsense CAB creator that serves as a simple GUI for the Makecab utility To make things easier later on, you can also have the program remember your settings. Once you’ve launched the application, you only need to select the source and target folder and set the output file’s name. It greatly simplifies the whole process, so you can get everything done with just a few mouse clicks. If you’re working on a project and need to create either CAB, WSP or XSN files as quickly as possible, CabMaker can certainly help you out. Great tool for quickly creating CAB archives It doesn’t support every option offered by the Makecab utility, and it features a rudimentary UI, but it is very easy to use. Thankfully, there are programs out there that can make this job easier.ĬabMaker is one of them, a very simple application that provides you with a straightforward way to package an entire folder, with its subfolders, into a CAB file. A utility for packing data into CAB files is included in Windows, but it can only be used from the command console, which involves more work that some users would like.
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