LuaDoc

• Index

Modules

• base
• bin
• debug
• fstable
• getopt
• io
• lcs
• list
• math
• mbox
• object
• package
• parser
• posix
• set
• std
• strbuf
• string
• table
• tree

Files

• base.lua
• bin.lua
• debug_ext.lua
• debug_init.lua
• fstable.lua
• getopt.lua
• io_ext.lua
• lcs.lua
• list.lua
• math_ext.lua
• mbox.lua
• modules.lua
• object.lua
• package_ext.lua
• parser.lua
• posix_ext.lua
• set.lua
• std.lua
• strbuf.lua
• strict.lua
• string_ext.lua
• table_ext.lua
• tree.lua
• xml.lua

Module posix

Functions

euidaccess (file, mode)	Check permissions like access, but for euid.
system (file, ...)	Run a program like os.system, but without a shell.

Functions

euidaccess (file, mode)

Check permissions like access, but for euid. Based on the glibc function of the same name. Does not always check for read-only file system, text busy, etc., and does not work with ACLs &c.

Parameters

• file: file to check
• mode: checks to perform (as for access)

Return value:

0 if access allowed; nil otherwise (and errno is set)

system (file, ...)

Run a program like os.system, but without a shell.

Parameters

• file: filename of program to run
• ...: arguments to the program

Return values:

1. status exit code, or nil if fork or wait fails
2. error message, or exit type if wait succeeds