File System Library for the Lua Programming Language

LuaFileSystem

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Overview

LuaFileSystem is a Lua library developed to complement the set of functions related to file systems offered by the standard Lua distribution.

LuaFileSystem offers a portable way to access the underlying directory structure and file attributes.

LuaFileSystem is free software and uses the same license as Lua 5.x (MIT).

Status

Current version is 1.8.0. It works with Lua 5.1, 5.2, 5.3 and 5.4, and it runs on various flavors of Unix (including Linux, BSDs, macOS) and Windows.

Download

LuaFileSystem can be installed using LuaRocks:

$ luarocks install luafilesystem

Its source can be found at its Github page.

History

Version 1.8.0 [22/Apr/2020]

• Lua 5.4 support
• lfs.link and lfs.symlinkattributes now work on Windows
• MACOSX_DEPLOYMENT_TARGET is configurable in the Makefile
• Fallback to _POSIX_PATH_MAX when MAXPATHLEN is not avaliable
• Fixed memory leak in case of realloc failure

Version 1.7.0 [15/Sep/2017]

• symlinkattributes function now provides 'target' field, containing name of the file that the symlink points to.
• attributes, symlinkattributes, touch, mkdir, and rmdir functions now return system-dependent error code as the third value on error.
• Fixed detection of closed files for Lua 5.2+ in setmode, lock, and unlock functions.
• Fixed various compiler warnings.

Version 1.6.3 [15/Jan/2015]

• Lua 5.3 support.
• Assorted bugfixes.

Version 1.6.2 [??/Oct/2012]

• Full Lua 5.2 compatibility (with Lua 5.1 fallbacks)

Version 1.6.1 [01/Oct/2012]

• fix build for Lua 5.2

Version 1.6.0 [26/Sep/2012]

• getcwd fix for Android
• support for Lua 5.2
• add lfs.link
• other bug fixes

Version 1.5.0 [20/Oct/2009]

• Added explicit next and close methods to second return value of lfs.dir (the directory object), for explicit iteration or explicit closing.
• Added directory locking via lfs.lock_dir function (see the manual).

Version 1.4.2 [03/Feb/2009]

• fixed bug lfs.attributes(filename, 'size') overflow on files > 2 Gb again (bug report and patch by KUBO Takehiro).
• fixed bug Compile error on Solaris 10 (bug report and patch by Aaron B).
• fixed compilation problems with Borland C.

Version 1.4.1 [07/May/2008]

• documentation review
• fixed Windows compilation issues
• fixed bug in the Windows tests (patch by Shmuel Zeigerman)
• fixed bug lfs.attributes(filename, 'size') overflow on files > 2 Gb

Version 1.4.0 [13/Feb/2008]

• added function lfs.setmode (works only in Windows systems).
• lfs.attributes raises an error if attribute does not exist

Version 1.3.0 [26/Oct/2007]

• added function lfs.symlinkattributes (works only in non Windows systems).

Version 1.2.1 [08/May/2007]

• compatible only with Lua 5.1 (Lua 5.0 support was dropped)

Version 1.2 [15/Mar/2006]

• added optional argument to lfs.attributes
• added function lfs.rmdir
• bug correction on lfs.dir

Version 1.1 [30/May/2005]

• added function lfs.touch.

Version 1.0 [21/Jan/2005]

Version 1.0 Beta [10/Nov/2004]

Credits

LuaFileSystem was designed by Roberto Ierusalimschy, André Carregal and Tomás Guisasola as part of the Kepler Project, which holds its copyright. LuaFileSystem is currently maintained by Fábio Mascarenhas.