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Hachoir is a generic framework for binary file manipulation. Written in Python, it's operating system independent and has many text/graphic user interfaces (ncurses, wxWidget, Gtk+). Although it contains a few functions to modify files, it is generally intended for examining existing files. Hachoir currently supports more than sixty file formats. File format recognition is based on the headers and footers in a disk image of file. It has a fault tolerant parser designed to handle truncated or buggy files. The framework also automatically adjusts for endian or character set issues. The framework can be scripted and extended.
The package includes several sample programs based on the core framework and parser:
- hachoir-metadata: extract metadata
- hachoir-strip: remove metadata and other "useless" informations
- hachoir-grep: find substring in a binary file (using hachoir parsers: so search is Unicode aware)
- hachoir-subfile: find all subfiles in a file
The current version is 1.0 and was released on 1 July 2007. Precompiled packages are available for the Debian, Gentoo, Mandriva, and Arch Linux distributions along with FreeBSD.