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| <title>The GNU Fortran Compiler: STAT</title> |
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| <a name="STAT-_002d_002d_002d-Get-file-status"></a> |
| <h3 class="section">8.234 <code>STAT</code> — Get file status</h3> |
| <a name="index-STAT"></a> |
| <a name="index-file-system_002c-file-status-2"></a> |
| |
| <dl compact="compact"> |
| <dt><em>Description</em>:</dt> |
| <dd><p>This function returns information about a file. No permissions are required on |
| the file itself, but execute (search) permission is required on all of the |
| directories in path that lead to the file. |
| </p> |
| <p>The elements that are obtained and stored in the array <code>VALUES</code>: |
| </p><table> |
| <tr><td width="15%"><code>VALUES(1)</code></td><td width="70%">Device ID</td></tr> |
| <tr><td width="15%"><code>VALUES(2)</code></td><td width="70%">Inode number</td></tr> |
| <tr><td width="15%"><code>VALUES(3)</code></td><td width="70%">File mode</td></tr> |
| <tr><td width="15%"><code>VALUES(4)</code></td><td width="70%">Number of links</td></tr> |
| <tr><td width="15%"><code>VALUES(5)</code></td><td width="70%">Owner’s uid</td></tr> |
| <tr><td width="15%"><code>VALUES(6)</code></td><td width="70%">Owner’s gid</td></tr> |
| <tr><td width="15%"><code>VALUES(7)</code></td><td width="70%">ID of device containing directory entry for file (0 if not available)</td></tr> |
| <tr><td width="15%"><code>VALUES(8)</code></td><td width="70%">File size (bytes)</td></tr> |
| <tr><td width="15%"><code>VALUES(9)</code></td><td width="70%">Last access time</td></tr> |
| <tr><td width="15%"><code>VALUES(10)</code></td><td width="70%">Last modification time</td></tr> |
| <tr><td width="15%"><code>VALUES(11)</code></td><td width="70%">Last file status change time</td></tr> |
| <tr><td width="15%"><code>VALUES(12)</code></td><td width="70%">Preferred I/O block size (-1 if not available)</td></tr> |
| <tr><td width="15%"><code>VALUES(13)</code></td><td width="70%">Number of blocks allocated (-1 if not available)</td></tr> |
| </table> |
| |
| <p>Not all these elements are relevant on all systems. |
| If an element is not relevant, it is returned as 0. |
| </p> |
| <p>This intrinsic is provided in both subroutine and function forms; however, |
| only one form can be used in any given program unit. |
| </p> |
| </dd> |
| <dt><em>Standard</em>:</dt> |
| <dd><p>GNU extension |
| </p> |
| </dd> |
| <dt><em>Class</em>:</dt> |
| <dd><p>Subroutine, function |
| </p> |
| </dd> |
| <dt><em>Syntax</em>:</dt> |
| <dd><table> |
| <tr><td width="80%"><code>CALL STAT(NAME, VALUES [, STATUS])</code></td></tr> |
| <tr><td width="80%"><code>STATUS = STAT(NAME, VALUES)</code></td></tr> |
| </table> |
| |
| </dd> |
| <dt><em>Arguments</em>:</dt> |
| <dd><table> |
| <tr><td width="15%"><var>NAME</var></td><td width="70%">The type shall be <code>CHARACTER</code>, of the |
| default kind and a valid path within the file system.</td></tr> |
| <tr><td width="15%"><var>VALUES</var></td><td width="70%">The type shall be <code>INTEGER(4), DIMENSION(13)</code>.</td></tr> |
| <tr><td width="15%"><var>STATUS</var></td><td width="70%">(Optional) status flag of type <code>INTEGER(4)</code>. Returns 0 |
| on success and a system specific error code otherwise.</td></tr> |
| </table> |
| |
| </dd> |
| <dt><em>Example</em>:</dt> |
| <dd><div class="smallexample"> |
| <pre class="smallexample">PROGRAM test_stat |
| INTEGER, DIMENSION(13) :: buff |
| INTEGER :: status |
| |
| CALL STAT("/etc/passwd", buff, status) |
| |
| IF (status == 0) THEN |
| WRITE (*, FMT="('Device ID:', T30, I19)") buff(1) |
| WRITE (*, FMT="('Inode number:', T30, I19)") buff(2) |
| WRITE (*, FMT="('File mode (octal):', T30, O19)") buff(3) |
| WRITE (*, FMT="('Number of links:', T30, I19)") buff(4) |
| WRITE (*, FMT="('Owner''s uid:', T30, I19)") buff(5) |
| WRITE (*, FMT="('Owner''s gid:', T30, I19)") buff(6) |
| WRITE (*, FMT="('Device where located:', T30, I19)") buff(7) |
| WRITE (*, FMT="('File size:', T30, I19)") buff(8) |
| WRITE (*, FMT="('Last access time:', T30, A19)") CTIME(buff(9)) |
| WRITE (*, FMT="('Last modification time', T30, A19)") CTIME(buff(10)) |
| WRITE (*, FMT="('Last status change time:', T30, A19)") CTIME(buff(11)) |
| WRITE (*, FMT="('Preferred block size:', T30, I19)") buff(12) |
| WRITE (*, FMT="('No. of blocks allocated:', T30, I19)") buff(13) |
| END IF |
| END PROGRAM |
| </pre></div> |
| |
| </dd> |
| <dt><em>See also</em>:</dt> |
| <dd><p>To stat an open file: <a href="FSTAT.html#FSTAT">FSTAT</a>, to stat a link: <a href="LSTAT.html#LSTAT">LSTAT</a> |
| </p></dd> |
| </dl> |
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