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<html>
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<meta http-equiv="Content-Type" content="text/html; charset=UTF-8"/>
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<head>
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<title>luaposix 33.3.0 Reference</title>
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<link rel="stylesheet" href="../ldoc.css" type="text/css" />
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</head>
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<body>
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<big></big>
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luaposix 33.3.0
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Index
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Contents
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Functions
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Tables
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Constants
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Modules
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posix
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posix.ctype
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posix.curses
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posix.dirent
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posix.errno
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posix.fcntl
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posix.fnmatch
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posix.getopt
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posix.glob
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437b5e |
posix.grp
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437b5e |
posix.libgen
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posix.poll
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posix.pwd
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posix.sched
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posix.signal
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posix.stdio
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posix.stdlib
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posix.sys.msg
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posix.sys.resource
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posix.sys.socket
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posix.sys.stat
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posix.sys.statvfs
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posix.sys.time
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posix.sys.times
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posix.sys.utsname
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posix.sys.wait
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posix.syslog
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posix.termio
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437b5e |
posix.time
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posix.unistd
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posix.utime
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Classes
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posix.curses.chstr
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posix.curses.window
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Examples
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curses.lua
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dir.lua
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437b5e |
fork.lua
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437b5e |
fork2.lua
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getopt.lua
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437b5e |
glob.lua
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437b5e |
limit.lua
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437b5e |
lock.lua
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437b5e |
netlink-uevent.lua
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437b5e |
ping.lua
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437b5e |
poll.lua
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437b5e |
rt_sched.lua
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437b5e |
signal.lua
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437b5e |
socket.lua
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437b5e |
termios.lua
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437b5e |
tree.lua
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437b5e |
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Module posix.sys.stat
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File Status Querying and Setting.
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S_ISBLK (mode)
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Test for a block special file.
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S_ISCHR (mode)
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Test for a character special file.
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S_ISDIR (mode)
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Test for a directory.
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S_ISFIFO (mode)
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Test for a fifo special file.
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S_ISLNK (mode)
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Test for a symbolic link.
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S_ISREG (mode)
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Test for a regular file.
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S_ISSOCK (mode)
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Test for a socket.
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437b5e |
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chmod (path, mode)
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Change the mode of the path.
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lstat (path)
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Information about an existing file path.
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mkdir (path[, mode=511])
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Make a directory.
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mkfifo (path[, mode=511])
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Make a FIFO pipe.
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stat (path)
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Information about an existing file path.
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umask ([mode])
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Set file mode creation mask.
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PosixStat
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File state record.
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posix.sys.stat
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Stat constants.
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Functions
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S_ISBLK (mode)
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Test for a block special file.
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Parameters:
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mode
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int
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the st_mode field of a PosixStat
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Returns:
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int
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non-zero if mode represents a block special file
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S_ISCHR (mode)
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Test for a character special file.
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Parameters:
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mode
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int
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the st_mode field of a PosixStat
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Returns:
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int
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437b5e |
non-zero if mode represents a character special file
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437b5e |
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437b5e |
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437b5e |
S_ISDIR (mode)
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437b5e |
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Test for a directory.
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Parameters:
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437b5e |
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437b5e |
mode
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437b5e |
int
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437b5e |
the st_mode field of a PosixStat
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437b5e |
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437b5e |
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Returns:
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437b5e |
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437b5e |
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int
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437b5e |
non-zero if mode represents a directory
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437b5e |
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437b5e |
S_ISFIFO (mode)
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437b5e |
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Packit |
437b5e |
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437b5e |
Test for a fifo special file.
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437b5e |
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437b5e |
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437b5e |
Parameters:
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437b5e |
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437b5e |
mode
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437b5e |
int
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437b5e |
the st_mode field of a PosixStat
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Returns:
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int
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437b5e |
non-zero if mode represents a fifo special file
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437b5e |
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437b5e |
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437b5e |
S_ISLNK (mode)
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437b5e |
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437b5e |
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Test for a symbolic link.
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Parameters:
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437b5e |
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437b5e |
mode
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437b5e |
int
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437b5e |
the st_mode field of a PosixStat
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437b5e |
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437b5e |
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Returns:
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437b5e |
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437b5e |
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437b5e |
int
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437b5e |
non-zero if mode represents a symbolic link
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437b5e |
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437b5e |
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437b5e |
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437b5e |
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437b5e |
S_ISREG (mode)
|
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Packit |
437b5e |
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Packit |
437b5e |
|
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Packit |
437b5e |
Test for a regular file.
|
|
Packit |
437b5e |
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Packit |
437b5e |
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Packit |
437b5e |
Parameters:
|
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Packit |
437b5e |
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Packit |
437b5e |
mode
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Packit |
437b5e |
int
|
|
Packit |
437b5e |
the st_mode field of a PosixStat
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Packit |
437b5e |
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Packit |
437b5e |
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Packit |
437b5e |
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Packit |
437b5e |
Returns:
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Packit |
437b5e |
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Packit |
437b5e |
|
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Packit |
437b5e |
int
|
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Packit |
437b5e |
non-zero if mode represents a regular file
|
|
Packit |
437b5e |
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Packit |
437b5e |
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Packit |
437b5e |
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437b5e |
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437b5e |
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437b5e |
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Packit |
437b5e |
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Packit |
437b5e |
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Packit |
437b5e |
S_ISSOCK (mode)
|
|
Packit |
437b5e |
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Packit |
437b5e |
|
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Packit |
437b5e |
Test for a socket.
|
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Packit |
437b5e |
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Packit |
437b5e |
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Packit |
437b5e |
Parameters:
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Packit |
437b5e |
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Packit |
437b5e |
mode
|
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Packit |
437b5e |
int
|
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Packit |
437b5e |
the st_mode field of a PosixStat
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Packit |
437b5e |
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Packit |
437b5e |
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Packit |
437b5e |
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Packit |
437b5e |
Returns:
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437b5e |
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Packit |
437b5e |
|
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Packit |
437b5e |
int
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Packit |
437b5e |
non-zero if mode represents a socket
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Packit |
437b5e |
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437b5e |
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437b5e |
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437b5e |
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437b5e |
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437b5e |
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Packit |
437b5e |
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Packit |
437b5e |
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Packit |
437b5e |
chmod (path, mode)
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Packit |
437b5e |
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Packit |
437b5e |
|
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Packit |
437b5e |
Change the mode of the path.
|
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Packit |
437b5e |
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Packit |
437b5e |
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Packit |
437b5e |
Parameters:
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Packit |
437b5e |
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437b5e |
path
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Packit |
437b5e |
string
|
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Packit |
437b5e |
existing file path to act on
|
|
Packit |
437b5e |
|
|
Packit |
437b5e |
mode
|
|
Packit |
437b5e |
int
|
|
Packit |
437b5e |
access modes to set for path
|
|
Packit |
437b5e |
|
|
Packit |
437b5e |
|
|
Packit |
437b5e |
|
|
Packit |
437b5e |
Returns:
|
|
Packit |
437b5e |
|
|
Packit |
437b5e |
|
|
Packit |
437b5e |
int
|
|
Packit |
437b5e |
0, if successful
|
|
Packit |
437b5e |
|
|
Packit |
437b5e |
Or
|
|
Packit |
437b5e |
|
|
Packit |
437b5e |
|
|
Packit |
437b5e |
nil
|
|
Packit |
437b5e |
|
|
Packit |
437b5e |
string
|
|
Packit |
437b5e |
error message
|
|
Packit |
437b5e |
|
|
Packit |
437b5e |
int
|
|
Packit |
437b5e |
errnum
|
|
Packit |
437b5e |
|
|
Packit |
437b5e |
|
|
Packit |
437b5e |
|
|
Packit |
437b5e |
See also:
|
|
Packit |
437b5e |
|
|
Packit |
437b5e |
chmod(2)
|
|
Packit |
437b5e |
|
|
Packit |
437b5e |
|
|
Packit |
437b5e |
Usage:
|
|
Packit |
437b5e |
|
|
Packit |
437b5e |
P.chmod ('bin/dof', bit.bor (P.S_IRWXU, P.S_IRGRP))
|
|
Packit |
437b5e |
|
|
Packit |
437b5e |
|
|
Packit |
437b5e |
|
|
Packit |
437b5e |
|
|
Packit |
437b5e |
|
|
Packit |
437b5e |
lstat (path)
|
|
Packit |
437b5e |
|
|
Packit |
437b5e |
|
|
Packit |
437b5e |
Information about an existing file path.
|
|
Packit |
437b5e |
If file is a symbolic link, return information about the link itself.
|
|
Packit |
437b5e |
|
|
Packit |
437b5e |
|
|
Packit |
437b5e |
Parameters:
|
|
Packit |
437b5e |
|
|
Packit |
437b5e |
path
|
|
Packit |
437b5e |
string
|
|
Packit |
437b5e |
file to act on
|
|
Packit |
437b5e |
|
|
Packit |
437b5e |
|
|
Packit |
437b5e |
|
|
Packit |
437b5e |
Returns:
|
|
Packit |
437b5e |
|
|
Packit |
437b5e |
|
|
Packit |
437b5e |
PosixStat
|
|
Packit |
437b5e |
information about path
|
|
Packit |
437b5e |
|
|
Packit |
437b5e |
|
|
Packit |
437b5e |
|
|
Packit |
437b5e |
See also:
|
|
Packit |
437b5e |
|
|
Packit |
437b5e |
lstat(2)
|
|
Packit |
437b5e |
|
|
Packit |
437b5e |
|
|
Packit |
437b5e |
|
|
Packit |
437b5e |
Usage:
|
|
Packit |
437b5e |
|
|
Packit |
437b5e |
for a, b in pairs (P.lstat "/etc/") do print (a, b) end
|
|
Packit |
437b5e |
|
|
Packit |
437b5e |
|
|
Packit |
437b5e |
|
|
Packit |
437b5e |
|
|
Packit |
437b5e |
|
|
Packit |
437b5e |
mkdir (path[, mode=511])
|
|
Packit |
437b5e |
|
|
Packit |
437b5e |
|
|
Packit |
437b5e |
Make a directory.
|
|
Packit |
437b5e |
|
|
Packit |
437b5e |
|
|
Packit |
437b5e |
Parameters:
|
|
Packit |
437b5e |
|
|
Packit |
437b5e |
path
|
|
Packit |
437b5e |
string
|
|
Packit |
437b5e |
location in file system to create directory
|
|
Packit |
437b5e |
|
|
Packit |
437b5e |
mode
|
|
Packit |
437b5e |
int
|
|
Packit |
437b5e |
access modes to set for path
|
|
Packit |
437b5e |
(default 511)
|
|
Packit |
437b5e |
|
|
Packit |
437b5e |
|
|
Packit |
437b5e |
|
|
Packit |
437b5e |
Returns:
|
|
Packit |
437b5e |
|
|
Packit |
437b5e |
|
|
Packit |
437b5e |
int
|
|
Packit |
437b5e |
0, if successful
|
|
Packit |
437b5e |
|
|
Packit |
437b5e |
Or
|
|
Packit |
437b5e |
|
|
Packit |
437b5e |
|
|
Packit |
437b5e |
nil
|
|
Packit |
437b5e |
|
|
Packit |
437b5e |
string
|
|
Packit |
437b5e |
error message
|
|
Packit |
437b5e |
|
|
Packit |
437b5e |
int
|
|
Packit |
437b5e |
errnum
|
|
Packit |
437b5e |
|
|
Packit |
437b5e |
|
|
Packit |
437b5e |
|
|
Packit |
437b5e |
See also:
|
|
Packit |
437b5e |
|
|
Packit |
437b5e |
mkdir(2)
|
|
Packit |
437b5e |
|
|
Packit |
437b5e |
|
|
Packit |
437b5e |
|
|
Packit |
437b5e |
|
|
Packit |
437b5e |
|
|
Packit |
437b5e |
|
|
Packit |
437b5e |
mkfifo (path[, mode=511])
|
|
Packit |
437b5e |
|
|
Packit |
437b5e |
|
|
Packit |
437b5e |
Make a FIFO pipe.
|
|
Packit |
437b5e |
|
|
Packit |
437b5e |
|
|
Packit |
437b5e |
Parameters:
|
|
Packit |
437b5e |
|
|
Packit |
437b5e |
path
|
|
Packit |
437b5e |
string
|
|
Packit |
437b5e |
location in file system to create fifo
|
|
Packit |
437b5e |
|
|
Packit |
437b5e |
mode
|
|
Packit |
437b5e |
int
|
|
Packit |
437b5e |
access modes to set for path
|
|
Packit |
437b5e |
(default 511)
|
|
Packit |
437b5e |
|
|
Packit |
437b5e |
|
|
Packit |
437b5e |
|
|
Packit |
437b5e |
Returns:
|
|
Packit |
437b5e |
|
|
Packit |
437b5e |
|
|
Packit |
437b5e |
int
|
|
Packit |
437b5e |
file descriptor for path, if successful
|
|
Packit |
437b5e |
|
|
Packit |
437b5e |
Or
|
|
Packit |
437b5e |
|
|
Packit |
437b5e |
|
|
Packit |
437b5e |
nil
|
|
Packit |
437b5e |
|
|
Packit |
437b5e |
string
|
|
Packit |
437b5e |
error message
|
|
Packit |
437b5e |
|
|
Packit |
437b5e |
int
|
|
Packit |
437b5e |
errnum
|
|
Packit |
437b5e |
|
|
Packit |
437b5e |
|
|
Packit |
437b5e |
|
|
Packit |
437b5e |
See also:
|
|
Packit |
437b5e |
|
|
Packit |
437b5e |
mkfifo(2)
|
|
Packit |
437b5e |
|
|
Packit |
437b5e |
|
|
Packit |
437b5e |
|
|
Packit |
437b5e |
|
|
Packit |
437b5e |
|
|
Packit |
437b5e |
|
|
Packit |
437b5e |
stat (path)
|
|
Packit |
437b5e |
|
|
Packit |
437b5e |
|
|
Packit |
437b5e |
Information about an existing file path.
|
|
Packit |
437b5e |
If file is a symbolic link, return information about the file the link points to.
|
|
Packit |
437b5e |
|
|
Packit |
437b5e |
|
|
Packit |
437b5e |
Parameters:
|
|
Packit |
437b5e |
|
|
Packit |
437b5e |
path
|
|
Packit |
437b5e |
string
|
|
Packit |
437b5e |
file to act on
|
|
Packit |
437b5e |
|
|
Packit |
437b5e |
|
|
Packit |
437b5e |
|
|
Packit |
437b5e |
Returns:
|
|
Packit |
437b5e |
|
|
Packit |
437b5e |
|
|
Packit |
437b5e |
PosixStat
|
|
Packit |
437b5e |
information about path
|
|
Packit |
437b5e |
|
|
Packit |
437b5e |
|
|
Packit |
437b5e |
|
|
Packit |
437b5e |
See also:
|
|
Packit |
437b5e |
|
|
Packit |
437b5e |
stat(2)
|
|
Packit |
437b5e |
lstat
|
|
Packit |
437b5e |
|
|
Packit |
437b5e |
|
|
Packit |
437b5e |
Usage:
|
|
Packit |
437b5e |
|
|
Packit |
437b5e |
for a, b in pairs (P.stat "/etc/") do print (a, b) end
|
|
Packit |
437b5e |
|
|
Packit |
437b5e |
|
|
Packit |
437b5e |
|
|
Packit |
437b5e |
|
|
Packit |
437b5e |
|
|
Packit |
437b5e |
umask ([mode])
|
|
Packit |
437b5e |
|
|
Packit |
437b5e |
|
|
Packit |
437b5e |
Set file mode creation mask.
|
|
Packit |
437b5e |
|
|
Packit |
437b5e |
|
|
Packit |
437b5e |
Parameters:
|
|
Packit |
437b5e |
|
|
Packit |
437b5e |
mode
|
|
Packit |
437b5e |
int
|
|
Packit |
437b5e |
new file creation mask
|
|
Packit |
437b5e |
(optional)
|
|
Packit |
437b5e |
|
|
Packit |
437b5e |
|
|
Packit |
437b5e |
|
|
Packit |
437b5e |
Returns:
|
|
Packit |
437b5e |
|
|
Packit |
437b5e |
|
|
Packit |
437b5e |
int
|
|
Packit |
437b5e |
previous umask
|
|
Packit |
437b5e |
|
|
Packit |
437b5e |
|
|
Packit |
437b5e |
|
|
Packit |
437b5e |
See also:
|
|
Packit |
437b5e |
|
|
Packit |
437b5e |
umask(2)
|
|
Packit |
437b5e |
posix.umask
|
|
Packit |
437b5e |
|
|
Packit |
437b5e |
|
|
Packit |
437b5e |
|
|
Packit |
437b5e |
|
|
Packit |
437b5e |
|
|
Packit |
437b5e |
Tables
|
|
Packit |
437b5e |
|
|
Packit |
437b5e |
|
|
Packit |
437b5e |
|
|
Packit |
437b5e |
|
|
Packit |
437b5e |
PosixStat
|
|
Packit |
437b5e |
|
|
Packit |
437b5e |
|
|
Packit |
437b5e |
File state record.
|
|
Packit |
437b5e |
|
|
Packit |
437b5e |
|
|
Packit |
437b5e |
Fields:
|
|
Packit |
437b5e |
|
|
Packit |
437b5e |
st_dev
|
|
Packit |
437b5e |
int
|
|
Packit |
437b5e |
device id
|
|
Packit |
437b5e |
|
|
Packit |
437b5e |
st_ino
|
|
Packit |
437b5e |
int
|
|
Packit |
437b5e |
inode number
|
|
Packit |
437b5e |
|
|
Packit |
437b5e |
st_mode
|
|
Packit |
437b5e |
int
|
|
Packit |
437b5e |
mode of file
|
|
Packit |
437b5e |
|
|
Packit |
437b5e |
st_nlink
|
|
Packit |
437b5e |
int
|
|
Packit |
437b5e |
number of hardlinks to file
|
|
Packit |
437b5e |
|
|
Packit |
437b5e |
st_uid
|
|
Packit |
437b5e |
int
|
|
Packit |
437b5e |
user id of file owner
|
|
Packit |
437b5e |
|
|
Packit |
437b5e |
st_gid
|
|
Packit |
437b5e |
int
|
|
Packit |
437b5e |
group id of file owner
|
|
Packit |
437b5e |
|
|
Packit |
437b5e |
st_rdev
|
|
Packit |
437b5e |
int
|
|
Packit |
437b5e |
additional device specific id for special files
|
|
Packit |
437b5e |
|
|
Packit |
437b5e |
st_size
|
|
Packit |
437b5e |
int
|
|
Packit |
437b5e |
file size in bytes
|
|
Packit |
437b5e |
|
|
Packit |
437b5e |
st_atime
|
|
Packit |
437b5e |
int
|
|
Packit |
437b5e |
time of last access
|
|
Packit |
437b5e |
|
|
Packit |
437b5e |
st_mtime
|
|
Packit |
437b5e |
int
|
|
Packit |
437b5e |
time of last data modification
|
|
Packit |
437b5e |
|
|
Packit |
437b5e |
st_ctime
|
|
Packit |
437b5e |
int
|
|
Packit |
437b5e |
time of last state change
|
|
Packit |
437b5e |
|
|
Packit |
437b5e |
st_blksize
|
|
Packit |
437b5e |
int
|
|
Packit |
437b5e |
preferred block size
|
|
Packit |
437b5e |
|
|
Packit |
437b5e |
st_blocks
|
|
Packit |
437b5e |
int
|
|
Packit |
437b5e |
number of blocks allocated
|
|
Packit |
437b5e |
|
|
Packit |
437b5e |
|
|
Packit |
437b5e |
|
|
Packit |
437b5e |
|
|
Packit |
437b5e |
|
|
Packit |
437b5e |
|
|
Packit |
437b5e |
|
|
Packit |
437b5e |
|
|
Packit |
437b5e |
|
|
Packit |
437b5e |
Constants
|
|
Packit |
437b5e |
|
|
Packit |
437b5e |
|
|
Packit |
437b5e |
|
|
Packit |
437b5e |
|
|
Packit |
437b5e |
|
|
Packit |
437b5e |
posix.sys.stat
|
|
Packit |
437b5e |
|
|
Packit |
437b5e |
|
|
Packit |
437b5e |
Stat constants.
|
|
Packit |
437b5e |
Any constants not available in the underlying system will be nil valued.
|
|
Packit |
437b5e |
|
|
Packit |
437b5e |
|
|
Packit |
437b5e |
Fields:
|
|
Packit |
437b5e |
|
|
Packit |
437b5e |
S_IFMT
|
|
Packit |
437b5e |
int
|
|
Packit |
437b5e |
file type mode bitmask
|
|
Packit |
437b5e |
|
|
Packit |
437b5e |
S_IFBLK
|
|
Packit |
437b5e |
int
|
|
Packit |
437b5e |
block special
|
|
Packit |
437b5e |
|
|
Packit |
437b5e |
S_IFCHR
|
|
Packit |
437b5e |
int
|
|
Packit |
437b5e |
character special
|
|
Packit |
437b5e |
|
|
Packit |
437b5e |
S_IFDIR
|
|
Packit |
437b5e |
int
|
|
Packit |
437b5e |
directory
|
|
Packit |
437b5e |
|
|
Packit |
437b5e |
S_IFIFO
|
|
Packit |
437b5e |
int
|
|
Packit |
437b5e |
fifo
|
|
Packit |
437b5e |
|
|
Packit |
437b5e |
S_IFLNK
|
|
Packit |
437b5e |
int
|
|
Packit |
437b5e |
symbolic link
|
|
Packit |
437b5e |
|
|
Packit |
437b5e |
S_IFREG
|
|
Packit |
437b5e |
int
|
|
Packit |
437b5e |
regular file
|
|
Packit |
437b5e |
|
|
Packit |
437b5e |
S_IFSOCK
|
|
Packit |
437b5e |
int
|
|
Packit |
437b5e |
socket
|
|
Packit |
437b5e |
|
|
Packit |
437b5e |
S_IRWXU
|
|
Packit |
437b5e |
int
|
|
Packit |
437b5e |
user read, write and execute
|
|
Packit |
437b5e |
|
|
Packit |
437b5e |
S_IRUSR
|
|
Packit |
437b5e |
int
|
|
Packit |
437b5e |
user read
|
|
Packit |
437b5e |
|
|
Packit |
437b5e |
S_IWUSR
|
|
Packit |
437b5e |
int
|
|
Packit |
437b5e |
user write
|
|
Packit |
437b5e |
|
|
Packit |
437b5e |
S_IXUSR
|
|
Packit |
437b5e |
int
|
|
Packit |
437b5e |
user execute
|
|
Packit |
437b5e |
|
|
Packit |
437b5e |
S_IRWXG
|
|
Packit |
437b5e |
int
|
|
Packit |
437b5e |
group read, write and execute
|
|
Packit |
437b5e |
|
|
Packit |
437b5e |
S_IRGRP
|
|
Packit |
437b5e |
int
|
|
Packit |
437b5e |
group read
|
|
Packit |
437b5e |
|
|
Packit |
437b5e |
S_IWGRP
|
|
Packit |
437b5e |
int
|
|
Packit |
437b5e |
group write
|
|
Packit |
437b5e |
|
|
Packit |
437b5e |
S_IXGRP
|
|
Packit |
437b5e |
int
|
|
Packit |
437b5e |
group execute
|
|
Packit |
437b5e |
|
|
Packit |
437b5e |
S_IRWXO
|
|
Packit |
437b5e |
int
|
|
Packit |
437b5e |
other read, write and execute
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S_IROTH
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int
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other read
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437b5e |
S_IWOTH
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437b5e |
int
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other write
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S_IXOTH
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437b5e |
int
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other execute
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437b5e |
S_ISGID
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int
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set group id on execution
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S_ISUID
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437b5e |
int
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set user id on execution
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Usage:
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for name, value in pairs (require "posix.sys.stat") do
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if type (value) == "number" then
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print (name, value)
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end
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end
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generated by LDoc 1.4.3
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Last updated 2015-03-01 09:06:02
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</body>
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</html>
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