May 26, 2018

Portable utility to work with file extended attributes

Extended attributes are arbitrarily named pieces of data associated with a file and managed by the file system.

The names and the values for the attributes are freely chosen by applications and/or users, with very few restrictions. Many recent systems and filesystems support extended attributes, but the interfaces used to manage them are far from identical.

Linux, FreeBSD, and Mac OS X all provide similar extended attributes functionality.

The pxattr package aims at providing a single interface to extended attributes on all three systems. It consists in a single C++ module one source and one include file, which is to be included in the application source code, or can be built as a reference command-line utility to manage user extended attributes in a uniform and cross- platform way. It includes an attributes archive/restore facility.

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