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<li> + <a href="../modules/nixio.bit.html">nixio.bit</a> + </li> + + <li> + <a href="../modules/nixio.crypto.html">nixio.crypto</a> + </li> + + <li><strong>nixio.fs</strong></li> + +</ul> + + + +<!-- File list --> + + + + + + + +</div><!-- id="navigation" --> + +<div id="content"> + +<h1>Class <code>nixio.fs</code></h1> + +<p> + Low-level and high-level filesystem manipulation library.</p> + + + + + + + +<h2>Functions</h2> +<table class="function_list"> + + <tr> + <td class="name" nowrap><a href="#nixio.fs.access">access</a> (path, mode1, ...)</td> + <td class="summary"> + Check user's permission on a file.</td> + </tr> + + <tr> + <td class="name" nowrap><a href="#nixio.fs.basename">basename</a> (path)</td> + <td class="summary"> + Strip the directory part from a path.</td> + </tr> + + <tr> + <td class="name" nowrap><a href="#nixio.fs.chmod">chmod</a> (path, mode)</td> + <td class="summary"> + Change the file mode.</td> + </tr> + + <tr> + <td class="name" nowrap><a href="#nixio.fs.chown">chown</a> (path, user, group)</td> + <td class="summary"> + (POSIX) Change owner and group of a file.</td> + </tr> + + <tr> + <td class="name" nowrap><a href="#nixio.fs.copy">copy</a> (src, dest)</td> + <td class="summary"> + Copy a file, directory or symlink non-recursively preserving file mode, + timestamps, owner and group.</td> + </tr> + + <tr> + <td class="name" nowrap><a href="#nixio.fs.copyr">copyr</a> (src, dest)</td> + <td class="summary"> + Copy a file, directory or symlink recursively preserving file mode, + timestamps, owner and group.</td> + </tr> + + <tr> + <td class="name" nowrap><a href="#nixio.fs.datacopy">datacopy</a> (src, dest, limit)</td> + <td class="summary"> + Copy data between files.</td> + </tr> + + <tr> + <td class="name" nowrap><a href="#nixio.fs.dir">dir</a> (path)</td> + <td class="summary"> + Iterate over the entries of a directory.</td> + </tr> + + <tr> + <td class="name" nowrap><a href="#nixio.fs.dirname">dirname</a> (path)</td> + <td class="summary"> + Strip the base from a path.</td> + </tr> + + <tr> + <td class="name" nowrap><a href="#nixio.fs.glob">glob</a> (pattern)</td> + <td class="summary"> + (POSIX) Find pathnames matching a pattern.</td> + </tr> + + <tr> + <td class="name" nowrap><a href="#nixio.fs.lchown">lchown</a> (path, user, group)</td> + <td class="summary"> + (POSIX) Change owner and group of a file and do not resolve + if target is a symlink.</td> + </tr> + + <tr> + <td class="name" nowrap><a href="#nixio.fs.link">link</a> (oldpath, newpath)</td> + <td class="summary"> + Create a hard link.</td> + </tr> + + <tr> + <td class="name" nowrap><a href="#nixio.fs.lstat">lstat</a> (path, field)</td> + <td class="summary"> + Get file status and attributes and do not resolve if target is a symlink.</td> + </tr> + + <tr> + <td class="name" nowrap><a href="#nixio.fs.mkdir">mkdir</a> (path, mode)</td> + <td class="summary"> + Create a new directory.</td> + </tr> + + <tr> + <td class="name" nowrap><a href="#nixio.fs.mkdirr">mkdirr</a> (dest, mode)</td> + <td class="summary"> + Create a directory and all needed parent directories recursively.</td> + </tr> + + <tr> + <td class="name" nowrap><a href="#nixio.fs.mkfifo">mkfifo</a> (path, mode)</td> + <td class="summary"> + (POSIX) Create a FIFO (named pipe).</td> + </tr> + + <tr> + <td class="name" nowrap><a href="#nixio.fs.move">move</a> (src, dest)</td> + <td class="summary"> + Rename a file, directory or symlink non-recursively across filesystems.</td> + </tr> + + <tr> + <td class="name" nowrap><a href="#nixio.fs.mover">mover</a> (src, dest)</td> + <td class="summary"> + Rename a file, directory or symlink recursively across filesystems.</td> + </tr> + + <tr> + <td class="name" nowrap><a href="#nixio.fs.readfile">readfile</a> (path, limit)</td> + <td class="summary"> + Read the contents of a file into a buffer.</td> + </tr> + + <tr> + <td class="name" nowrap><a href="#nixio.fs.readlink">readlink</a> (path)</td> + <td class="summary"> + (POSIX) Read the target of a symbolic link.</td> + </tr> + + <tr> + <td class="name" nowrap><a href="#nixio.fs.realpath">realpath</a> (path)</td> + <td class="summary"> + Return the cannonicalized absolute pathname.</td> + </tr> + + <tr> + <td class="name" nowrap><a href="#nixio.fs.remove">remove</a> (path)</td> + <td class="summary"> + Remove a file or directory.</td> + </tr> + + <tr> + <td class="name" nowrap><a href="#nixio.fs.rename">rename</a> (src, dest)</td> + <td class="summary"> + Renames a file or directory.</td> + </tr> + + <tr> + <td class="name" nowrap><a href="#nixio.fs.rmdir">rmdir</a> (path)</td> + <td class="summary"> + Remove an empty directory.</td> + </tr> + + <tr> + <td class="name" nowrap><a href="#nixio.fs.stat">stat</a> (path, field)</td> + <td class="summary"> + Get file status and attributes.</td> + </tr> + + <tr> + <td class="name" nowrap><a href="#nixio.fs.statvfs">statvfs</a> (path)</td> + <td class="summary"> + (POSIX) Get filesystem statistics.</td> + </tr> + + <tr> + <td class="name" nowrap><a href="#nixio.fs.symlink">symlink</a> (oldpath, newpath)</td> + <td class="summary"> + (POSIX) Create a symbolic link.</td> + </tr> + + <tr> + <td class="name" nowrap><a href="#nixio.fs.unlink">unlink</a> (path)</td> + <td class="summary"> + Delete a name and - if no links are left - the associated file.</td> + </tr> + + <tr> + <td class="name" nowrap><a href="#nixio.fs.utimes">utimes</a> (path, actime, mtime)</td> + <td class="summary"> + Change file last access and last modification time.</td> + </tr> + + <tr> + <td class="name" nowrap><a href="#nixio.fs.writefile">writefile</a> (path, data)</td> + <td class="summary"> + Write a buffer into a file truncating the file first.</td> + </tr> + +</table> + + + + + + +<br/> +<br/> + + +<h2><a name="functions"></a>Functions</h2> +<dl class="function"> + + + +<dt><a name="nixio.fs.access"></a><strong>access</strong> (path, mode1, ...)</dt> +<dd> + + Check user's permission on a file. + + +<h3>Parameters</h3> +<ul> + + <li> + path: Path + </li> + + <li> + mode1: First Mode to check ["f", "r", "w", "x"] + </li> + + <li> + ...: More Modes to check [-"-] + </li> + +</ul> + + + + + + +<h3>Return value:</h3> +true + + + +</dd> + + + + +<dt><a name="nixio.fs.basename"></a><strong>basename</strong> (path)</dt> +<dd> + + Strip the directory part from a path. + + +<h3>Parameters</h3> +<ul> + + <li> + path: Path + </li> + +</ul> + + + + +<h3>Usage:</h3> +This function cannot fail and will never return nil. + + + +<h3>Return value:</h3> +basename + + + +</dd> + + + + +<dt><a name="nixio.fs.chmod"></a><strong>chmod</strong> (path, mode)</dt> +<dd> + + Change the file mode. + + +<h3>Parameters</h3> +<ul> + + <li> + path: Path + </li> + + <li> + mode: File mode + [decimal mode number, "[-r][-w][-xsS][-r][-w][-xsS][-r][-w][-xtT]"] + </li> + +</ul> + + + + +<h3>Usage</h3> +<ul> + + <li>Windows only supports setting the write-protection through the + "Writable to others" bit. + + <li><strong>Notice:</strong> The mode-flag for the functions + open, mkdir, mkfifo are affected by the umask. + +</ul> + + + +<h3>Return value:</h3> +true + + + +<h3>See also:</h3> +<ul> + + <li><a href=""> + umask + </a> + +</ul> + +</dd> + + + + +<dt><a name="nixio.fs.chown"></a><strong>chown</strong> (path, user, group)</dt> +<dd> + + (POSIX) Change owner and group of a file. + + +<h3>Parameters</h3> +<ul> + + <li> + path: Path + </li> + + <li> + user: User ID or Username (optional) + </li> + + <li> + group: Group ID or Groupname (optional) + </li> + +</ul> + + + + + + +<h3>Return value:</h3> +true + + + +</dd> + + + + +<dt><a name="nixio.fs.copy"></a><strong>copy</strong> (src, dest)</dt> +<dd> + + Copy a file, directory or symlink non-recursively preserving file mode, + timestamps, owner and group. + + +<h3>Parameters</h3> +<ul> + + <li> + src: Source path + </li> + + <li> + dest: Destination path + </li> + +</ul> + + + + +<h3>Usage:</h3> +The destination must always be a full destination path e.g. do not + omit the basename even if source and destination basename are equal. + + + +<h3>Return value:</h3> +true + + + +</dd> + + + + +<dt><a name="nixio.fs.copyr"></a><strong>copyr</strong> (src, dest)</dt> +<dd> + + Copy a file, directory or symlink recursively preserving file mode, + timestamps, owner and group. + + +<h3>Parameters</h3> +<ul> + + <li> + src: Source path + </li> + + <li> + dest: Destination path + </li> + +</ul> + + + + +<h3>Usage:</h3> +The destination must always be a full destination path e.g. do not + omit the basename even if source and destination basename are equal. + + + +<h3>Return value:</h3> +true + + + +</dd> + + + + +<dt><a name="nixio.fs.datacopy"></a><strong>datacopy</strong> (src, dest, limit)</dt> +<dd> + + Copy data between files. + + +<h3>Parameters</h3> +<ul> + + <li> + src: Source file path + </li> + + <li> + dest: Destination file path + </li> + + <li> + limit: Maximum bytes to copy (optional) + </li> + +</ul> + + + + + + +<h3>Return value:</h3> +true + + + +</dd> + + + + +<dt><a name="nixio.fs.dir"></a><strong>dir</strong> (path)</dt> +<dd> + + Iterate over the entries of a directory. + + +<h3>Parameters</h3> +<ul> + + <li> + path: Path + </li> + +</ul> + + + + +<h3>Usage:</h3> +The special entries "." and ".." are omitted. + + + +<h3>Return value:</h3> +directory iterator returning one entry per call + + + +</dd> + + + + +<dt><a name="nixio.fs.dirname"></a><strong>dirname</strong> (path)</dt> +<dd> + + Strip the base from a path. + + +<h3>Parameters</h3> +<ul> + + <li> + path: Path + </li> + +</ul> + + + + +<h3>Usage:</h3> +This function cannot fail and will never return nil. + + + +<h3>Return value:</h3> +dirname + + + +</dd> + + + + +<dt><a name="nixio.fs.glob"></a><strong>glob</strong> (pattern)</dt> +<dd> + + (POSIX) Find pathnames matching a pattern. + + +<h3>Parameters</h3> +<ul> + + <li> + pattern: Pattern + </li> + +</ul> + + + + + + +<h3>Return values:</h3> +<ol> + + <li>path iterator + + <li>number of matches + +</ol> + + + +</dd> + + + + +<dt><a name="nixio.fs.lchown"></a><strong>lchown</strong> (path, user, group)</dt> +<dd> + + (POSIX) Change owner and group of a file and do not resolve + if target is a symlink. + + +<h3>Parameters</h3> +<ul> + + <li> + path: Path + </li> + + <li> + user: User ID or Username (optional) + </li> + + <li> + group: Group ID or Groupname (optional) + </li> + +</ul> + + + + + + +<h3>Return value:</h3> +true + + + +</dd> + + + + +<dt><a name="nixio.fs.link"></a><strong>link</strong> (oldpath, newpath)</dt> +<dd> + + Create a hard link. + + +<h3>Parameters</h3> +<ul> + + <li> + oldpath: Path + </li> + + <li> + newpath: Path + </li> + +</ul> + + + + +<h3>Usage:</h3> +This function calls link() on POSIX and CreateHardLink() on Windows. + + + +<h3>Return value:</h3> +true + + + +</dd> + + + + +<dt><a name="nixio.fs.lstat"></a><strong>lstat</strong> (path, field)</dt> +<dd> + + Get file status and attributes and do not resolve if target is a symlink. + + +<h3>Parameters</h3> +<ul> + + <li> + path: Path + </li> + + <li> + field: Only return a specific field, not the whole table (optional) + </li> + +</ul> + + + + + + +<h3>Return value:</h3> +Table containing attributes (see stat for a detailed description) + + + +<h3>See also:</h3> +<ul> + + <li><a href="#nixio.fs.stat"> + stat + </a> + +</ul> + +</dd> + + + + +<dt><a name="nixio.fs.mkdir"></a><strong>mkdir</strong> (path, mode)</dt> +<dd> + + Create a new directory. + + +<h3>Parameters</h3> +<ul> + + <li> + path: Path + </li> + + <li> + mode: File mode (optional, see chmod and umask) + </li> + +</ul> + + + + + + +<h3>Return value:</h3> +true + + + +<h3>See also:</h3> +<ul> + + <li><a href="#nixio.fs.chmod"> + chmod + </a> + + <li><a href=""> + umask + </a> + +</ul> + +</dd> + + + + +<dt><a name="nixio.fs.mkdirr"></a><strong>mkdirr</strong> (dest, mode)</dt> +<dd> + + Create a directory and all needed parent directories recursively. + + +<h3>Parameters</h3> +<ul> + + <li> + dest: Destination path + </li> + + <li> + mode: File mode (optional, see chmod and umask) + </li> + +</ul> + + + + + + +<h3>Return value:</h3> +true + + + +<h3>See also:</h3> +<ul> + + <li><a href="#nixio.fs.chmod"> + chmod + </a> + + <li><a href=""> + umask + </a> + +</ul> + +</dd> + + + + +<dt><a name="nixio.fs.mkfifo"></a><strong>mkfifo</strong> (path, mode)</dt> +<dd> + + (POSIX) Create a FIFO (named pipe). + + +<h3>Parameters</h3> +<ul> + + <li> + path: Path + </li> + + <li> + mode: File mode (optional, see chmod and umask) + </li> + +</ul> + + + + + + +<h3>Return value:</h3> +true + + + +<h3>See also:</h3> +<ul> + + <li><a href="#nixio.fs.chmod"> + chmod + </a> + + <li><a href=""> + umask + </a> + +</ul> + +</dd> + + + + +<dt><a name="nixio.fs.move"></a><strong>move</strong> (src, dest)</dt> +<dd> + + Rename a file, directory or symlink non-recursively across filesystems. + + +<h3>Parameters</h3> +<ul> + + <li> + src: Source path + </li> + + <li> + dest: Destination path + </li> + +</ul> + + + + +<h3>Usage:</h3> +The destination must always be a full destination path e.g. do not + omit the basename even if source and destination basename are equal. + + + +<h3>Return value:</h3> +true + + + +</dd> + + + + +<dt><a name="nixio.fs.mover"></a><strong>mover</strong> (src, dest)</dt> +<dd> + + Rename a file, directory or symlink recursively across filesystems. + + +<h3>Parameters</h3> +<ul> + + <li> + src: Source path + </li> + + <li> + dest: Destination path + </li> + +</ul> + + + + +<h3>Usage:</h3> +The destination must always be a full destination path e.g. do not + omit the basename even if source and destination basename are equal. + + + +<h3>Return value:</h3> +true + + + +</dd> + + + + +<dt><a name="nixio.fs.readfile"></a><strong>readfile</strong> (path, limit)</dt> +<dd> + + Read the contents of a file into a buffer. + + +<h3>Parameters</h3> +<ul> + + <li> + path: Path + </li> + + <li> + limit: Maximum bytes to read (optional) + </li> + +</ul> + + + + + + +<h3>Return value:</h3> +file contents + + + +</dd> + + + + +<dt><a name="nixio.fs.readlink"></a><strong>readlink</strong> (path)</dt> +<dd> + + (POSIX) Read the target of a symbolic link. + + +<h3>Parameters</h3> +<ul> + + <li> + path: Path + </li> + +</ul> + + + + + + +<h3>Return value:</h3> +target path + + + +</dd> + + + + +<dt><a name="nixio.fs.realpath"></a><strong>realpath</strong> (path)</dt> +<dd> + + Return the cannonicalized absolute pathname. + + +<h3>Parameters</h3> +<ul> + + <li> + path: Path + </li> + +</ul> + + + + + + +<h3>Return value:</h3> +absolute path + + + +</dd> + + + + +<dt><a name="nixio.fs.remove"></a><strong>remove</strong> (path)</dt> +<dd> + + Remove a file or directory. + + +<h3>Parameters</h3> +<ul> + + <li> + path: Path + </li> + +</ul> + + + + + + +<h3>Return value:</h3> +true + + + +</dd> + + + + +<dt><a name="nixio.fs.rename"></a><strong>rename</strong> (src, dest)</dt> +<dd> + + Renames a file or directory. + + +<h3>Parameters</h3> +<ul> + + <li> + src: Source path + </li> + + <li> + dest: Destination path + </li> + +</ul> + + + + +<h3>Usage:</h3> +It is normally not possible to rename files accross fileystems. + + + +<h3>Return value:</h3> +true + + + +</dd> + + + + +<dt><a name="nixio.fs.rmdir"></a><strong>rmdir</strong> (path)</dt> +<dd> + + Remove an empty directory. + + +<h3>Parameters</h3> +<ul> + + <li> + path: Path + </li> + +</ul> + + + + + + +<h3>Return value:</h3> +true + + + +</dd> + + + + +<dt><a name="nixio.fs.stat"></a><strong>stat</strong> (path, field)</dt> +<dd> + + Get file status and attributes. + + +<h3>Parameters</h3> +<ul> + + <li> + path: Path + </li> + + <li> + field: Only return a specific field, not the whole table (optional) + </li> + +</ul> + + + + + + +<h3>Return value:</h3> +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 <code>ls -l</code></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> + + + +</dd> + + + + +<dt><a name="nixio.fs.statvfs"></a><strong>statvfs</strong> (path)</dt> +<dd> + + (POSIX) Get filesystem statistics. + + +<h3>Parameters</h3> +<ul> + + <li> + path: Path to any file within the filesystem. + </li> + +</ul> + + + + + + +<h3>Return value:</h3> +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> + + + +</dd> + + + + +<dt><a name="nixio.fs.symlink"></a><strong>symlink</strong> (oldpath, newpath)</dt> +<dd> + + (POSIX) Create a symbolic link. + + +<h3>Parameters</h3> +<ul> + + <li> + oldpath: Path + </li> + + <li> + newpath: Path + </li> + +</ul> + + + + + + +<h3>Return value:</h3> +true + + + +</dd> + + + + +<dt><a name="nixio.fs.unlink"></a><strong>unlink</strong> (path)</dt> +<dd> + + Delete a name and - if no links are left - the associated file. + + +<h3>Parameters</h3> +<ul> + + <li> + path: Path + </li> + +</ul> + + + + + + +<h3>Return value:</h3> +true + + + +</dd> + + + + +<dt><a name="nixio.fs.utimes"></a><strong>utimes</strong> (path, actime, mtime)</dt> +<dd> + + Change file last access and last modification time. + + +<h3>Parameters</h3> +<ul> + + <li> + path: Path + </li> + + <li> + actime: Last access timestamp (optional, default: current time) + </li> + + <li> + mtime: Last modification timestamp (optional, default: actime) + </li> + +</ul> + + + + + + +<h3>Return value:</h3> +true + + + +</dd> + + + + +<dt><a name="nixio.fs.writefile"></a><strong>writefile</strong> (path, data)</dt> +<dd> + + Write a buffer into a file truncating the file first. + + +<h3>Parameters</h3> +<ul> + + <li> + path: Path + </li> + + <li> + data: Data to write + </li> + +</ul> + + + + + + +<h3>Return value:</h3> +true + + + +</dd> + + +</dl> + + + + + +</div> <!-- id="content" --> + +</div> <!-- id="main" --> + +<div id="about"> + <p><a href="http://validator.w3.org/check?uri=referer"><img src="http://www.w3.org/Icons/valid-xhtml10" alt="Valid XHTML 1.0!" height="31" width="88" /></a></p> +</div> <!-- id="about" --> + +</div> <!-- id="container" --> +</body> +</html> |