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diff --git a/libs/luci-lib-nixio/docsrc/nixio.File.lua b/libs/luci-lib-nixio/docsrc/nixio.File.lua
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+--- Large File Object.
+-- Large file operations are supported up to 52 bits if the Lua number type is
+-- double (default).
+-- @cstyle	instance
+module "nixio.File"
+
+--- Write to the file descriptor.
+-- @class function
+-- @name File.write
+-- @usage <strong>Warning:</strong> It is not guaranteed that all data
+-- in the buffer is written at once especially when dealing with pipes.
+-- You have to check the return value - the number of bytes actually written -
+-- or use the safe IO functions in the high-level IO utility module.
+-- @usage Unlike standard Lua indexing the lowest offset and default is 0.
+-- @param buffer	Buffer holding the data to be written.
+-- @param offset	Offset to start reading the buffer from. (optional)
+-- @param length	Length of chunk to read from the buffer. (optional)
+-- @return number of bytes written
+
+--- Read from a file descriptor.
+-- @class function
+-- @name File.read
+-- @usage <strong>Warning:</strong> It is not guaranteed that all requested data
+-- is read at once especially when dealing with pipes.
+-- You have to check the return value - the length of the buffer actually read -
+-- or use the safe IO functions in the high-level IO utility module.
+-- @usage The length of the return buffer is limited by the (compile time) 
+-- nixio buffersize which is <em>nixio.const.buffersize</em> (8192 by default).
+-- Any read request greater than that will be safely truncated to this value.  
+-- @param length	Amount of data to read (in Bytes).
+-- @return buffer containing data successfully read
+
+--- Reposition read / write offset of the file descriptor.
+-- The seek will be done either from the beginning of the file or relative
+-- to the current position or relative to the end.
+-- @class function
+-- @name File.seek
+-- @usage This function calls lseek().
+-- @param offset	File Offset
+-- @param whence	Starting point [<strong>"set"</strong>, "cur", "end"]
+-- @return new (absolute) offset position
+
+--- Return the current read / write offset of the file descriptor.
+-- @class function
+-- @name File.tell
+-- @usage This function calls lseek() with offset 0 from the current position.
+-- @return offset position
+
+--- Synchronizes the file with the storage device.
+-- Returns when the file is successfully written to the disk.
+-- @class function
+-- @name File.sync
+-- @usage This function calls fsync() when data_only equals false
+-- otherwise fdatasync(), on Windows _commit() is used instead.
+-- @usage fdatasync() is only supported by Linux and Solaris. For other systems
+-- the <em>data_only</em> parameter is ignored and fsync() is always called.
+-- @param data_only		Do not synchronize the metadata. (optional, boolean)
+-- @return true
+
+--- Apply or test a lock on the file.
+-- @class function
+-- @name File.lock
+-- @usage This function calls lockf() on POSIX and _locking() on Windows.
+-- @usage The "lock" command is blocking, "tlock" is non-blocking,
+-- "ulock" unlocks and "test" only tests for the lock.
+-- @usage The "test" command is not available on Windows.
+-- @usage Locks are by default advisory on POSIX, but mandatory on Windows.
+-- @param command	Locking Command ["lock", "tlock", "ulock", "test"]
+-- @param length	Amount of Bytes to lock from current offset (optional)
+-- @return true
+
+--- Get file status and attributes.
+-- @class function
+-- @name File.stat
+-- @param	field	Only return a specific field, not the whole table (optional)
+-- @usage This function calls fstat().
+-- @return	Table containing: <ul>
+-- <li>atime = Last access timestamp</li>
+-- <li>blksize = Blocksize (POSIX only)</li>
+-- <li>blocks = Blocks used (POSIX only)</li>
+-- <li>ctime = Creation timestamp</li>
+-- <li>dev = Device ID</li>
+-- <li>gid = Group ID</li>
+-- <li>ino = Inode</li>
+-- <li>modedec = Mode converted into a decimal number</li>
+-- <li>modestr = Mode as string as returned by `ls -l`</li>
+-- <li>mtime = Last modification timestamp</li>
+-- <li>nlink = Number of links</li>
+-- <li>rdev = Device ID (if special file)</li>
+-- <li>size = Size in bytes</li>
+-- <li>type = ["reg", "dir", "chr", "blk", "fifo", "lnk", "sock"]</li>
+-- <li>uid = User ID</li>
+-- </ul>
+
+--- Close the file descriptor.
+-- @class function
+-- @name File.close
+-- @return true
+
+--- Get the number of the filedescriptor.
+-- @class function
+-- @name File.fileno
+-- @return file descriptor number
+
+--- (POSIX) Set the blocking mode of the file descriptor.
+-- @class function
+-- @name File.setblocking
+-- @param	blocking	(boolean)
+-- @return true
+\ No newline at end of file