--- Low-level and high-level filesystem manipulation library. module "nixio.fs" --- Check user's permission on a file. -- @class function -- @name nixio.fs.access -- @param path Path -- @param mode1 First Mode to check ["f", "r", "w", "x"] -- @param ... More Modes to check [-"-] -- @return true --- Strip the directory part from a path. -- @class function -- @name nixio.fs.basename -- @usage This function cannot fail and will never return nil. -- @param path Path -- @return basename --- Strip the base from a path. -- @class function -- @name nixio.fs.dirname -- @usage This function cannot fail and will never return nil. -- @param path Path -- @return dirname --- Return the cannonicalized absolute pathname. -- @class function -- @name nixio.fs.realpath -- @param path Path -- @return absolute path --- Remove a file or directory. -- @class function -- @name nixio.fs.remove -- @param path Path -- @return true --- Delete a name and - if no links are left - the associated file. -- @class function -- @name nixio.fs.unlink -- @param path Path -- @return true --- Renames a file or directory. -- @class function -- @name nixio.fs.rename -- @param src Source path -- @param dest Destination path -- @usage It is normally not possible to rename files across filesystems. -- @return true --- Remove an empty directory. -- @class function -- @name nixio.fs.rmdir -- @param path Path -- @return true --- Create a new directory. -- @class function -- @name nixio.fs.mkdir -- @param path Path -- @param mode File mode (optional, see chmod and umask) -- @see nixio.fs.chmod -- @see nixio.umask -- @return true --- Change the file mode. -- @class function -- @name nixio.fs.chmod -- @usage Windows only supports setting the write-protection through the -- "Writable to others" bit. -- @usage <strong>Notice:</strong> The mode-flag for the functions -- open, mkdir, mkfifo are affected by the umask. -- @param path Path -- @param mode File mode -- [decimal mode number, "[-r][-w][-xsS][-r][-w][-xsS][-r][-w][-xtT]"] -- @see nixio.umask -- @return true --- Iterate over the entries of a directory. -- @class function -- @name nixio.fs.dir -- @usage The special entries "." and ".." are omitted. -- @param path Path -- @return directory iterator returning one entry per call --- Create a hard link. -- @class function -- @name nixio.fs.link -- @usage This function calls link() on POSIX and CreateHardLink() on Windows. -- @param oldpath Path -- @param newpath Path -- @return true --- Change file last access and last modification time. -- @class function -- @name nixio.fs.utimes -- @param path Path -- @param actime Last access timestamp (optional, default: current time) -- @param mtime Last modification timestamp (optional, default: actime) -- @return true --- Get file status and attributes. -- @class function -- @name nixio.fs.stat -- @param path Path -- @param field Only return a specific field, not the whole table (optional) -- @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> --- Get file status and attributes and do not resolve if target is a symlink. -- @class function -- @name nixio.fs.lstat -- @param path Path -- @param field Only return a specific field, not the whole table (optional) -- @see nixio.fs.stat -- @return Table containing attributes (see stat for a detailed description) --- (POSIX) Change owner and group of a file. -- @class function -- @name nixio.fs.chown -- @param path Path -- @param user User ID or Username (optional) -- @param group Group ID or Groupname (optional) -- @return true --- (POSIX) Change owner and group of a file and do not resolve -- if target is a symlink. -- @class function -- @name nixio.fs.lchown -- @param path Path -- @param user User ID or Username (optional) -- @param group Group ID or Groupname (optional) -- @return true --- (POSIX) Create a FIFO (named pipe). -- @class function -- @name nixio.fs.mkfifo -- @param path Path -- @param mode File mode (optional, see chmod and umask) -- @see nixio.fs.chmod -- @see nixio.umask -- @return true --- (POSIX) Create a symbolic link. -- @class function -- @name nixio.fs.symlink -- @param oldpath Path -- @param newpath Path -- @return true --- (POSIX) Read the target of a symbolic link. -- @class function -- @name nixio.fs.readlink -- @param path Path -- @return target path --- (POSIX) Find pathnames matching a pattern. -- @class function -- @name nixio.fs.glob -- @param pattern Pattern -- @return path iterator -- @return number of matches --- (POSIX) Get filesystem statistics. -- @class function -- @name nixio.fs.statvfs -- @param path Path to any file within the filesystem. -- @return Table containing: <ul> -- <li>bavail = available blocks</li> -- <li>bfree = free blocks</li> -- <li>blocks = number of fragments</li> -- <li>frsize = fragment size</li> -- <li>favail = available inodes</li> -- <li>ffree = free inodes</li> -- <li>files = inodes</li> -- <li>flag = flags</li> -- <li>fsid = filesystem ID</li> -- <li>namemax = maximum filename length</li> -- </ul> --- Read the contents of a file into a buffer. -- @class function -- @name nixio.fs.readfile -- @param path Path -- @param limit Maximum bytes to read (optional) -- @return file contents --- Write a buffer into a file truncating the file first. -- @class function -- @name nixio.fs.writefile -- @param path Path -- @param data Data to write -- @return true --- Copy data between files. -- @class function -- @name nixio.fs.datacopy -- @param src Source file path -- @param dest Destination file path -- @param limit Maximum bytes to copy (optional) -- @return true --- Copy a file, directory or symlink non-recursively preserving file mode, -- timestamps, owner and group. -- @class function -- @name nixio.fs.copy -- @usage The destination must always be a full destination path e.g. do not -- omit the basename even if source and destination basename are equal. -- @param src Source path -- @param dest Destination path -- @return true --- Rename a file, directory or symlink non-recursively across filesystems. -- @class function -- @name nixio.fs.move -- @usage The destination must always be a full destination path e.g. do not -- omit the basename even if source and destination basename are equal. -- @param src Source path -- @param dest Destination path -- @return true --- Create a directory and all needed parent directories recursively. -- @class function -- @name nixio.fs.mkdirr -- @param dest Destination path -- @param mode File mode (optional, see chmod and umask) -- @see nixio.fs.chmod -- @see nixio.umask -- @return true --- Rename a file, directory or symlink recursively across filesystems. -- @class function -- @name nixio.fs.mover -- @usage The destination must always be a full destination path e.g. do not -- omit the basename even if source and destination basename are equal. -- @param src Source path -- @param dest Destination path -- @return true --- Copy a file, directory or symlink recursively preserving file mode, -- timestamps, owner and group. -- @class function -- @name nixio.fs.copyr -- @usage The destination must always be a full destination path e.g. do not -- omit the basename even if source and destination basename are equal. -- @param src Source path -- @param dest Destination path -- @return true