xar (archiver)

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xar
Filename extension .xar
Uniform Type Identifier (UTI) com.apple.xar-archive
Magic number xar!
Latest release 1.5.3  / 9 December 2009; 4 years ago (2009-12-09)
Type of format archive file format
Extended from XML, gzip
Website code.google.com/p/xar/

Xar (short for eXtensible ARchive format) is an open source file archiver and the archiver’s file format. It was created within the OpenDarwin project and is used in Mac OS X 10.5 for software installation routines, as well as browser extensions in Safari 5.0. Xar replaced the use of gzipped pax files.[1]

One development branch of RPM, RPM5, uses xar.[2]

/etc/magic[edit]

The following code snippet shows the magic number, in the /etc/magic format of the Unix file program:

#-------------------------------------------------------------
# file(1) magic(5) data for xar archive file format
0     string    xar!    xar - eXtensible ARchiver archive
>6    beshort   x       - version %d

References[edit]

External links[edit]