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| <title>The GNU Fortran Compiler: CTIME</title> |
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| <a name="CTIME-_002d_002d_002d-Convert-a-time-into-a-string"></a> |
| <h3 class="section">8.60 <code>CTIME</code> — Convert a time into a string</h3> |
| <a name="index-CTIME"></a> |
| <a name="index-time_002c-conversion-to-string"></a> |
| <a name="index-conversion_002c-to-string"></a> |
| |
| <dl compact="compact"> |
| <dt><em>Description</em>:</dt> |
| <dd><p><code>CTIME</code> converts a system time value, such as returned by |
| <code>TIME8</code>, to a string. The output will be of the form ‘<samp>Sat |
| Aug 19 18:13:14 1995</samp>’. |
| </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 CTIME(TIME, RESULT)</code>.</td></tr> |
| <tr><td width="80%"><code>RESULT = CTIME(TIME)</code>.</td></tr> |
| </table> |
| |
| </dd> |
| <dt><em>Arguments</em>:</dt> |
| <dd><table> |
| <tr><td width="15%"><var>TIME</var></td><td width="70%">The type shall be of type <code>INTEGER</code>.</td></tr> |
| <tr><td width="15%"><var>RESULT</var></td><td width="70%">The type shall be of type <code>CHARACTER</code> and |
| of default kind. It is an <code>INTENT(OUT)</code> argument. If the length |
| of this variable is too short for the time and date string to fit |
| completely, it will be blank on procedure return.</td></tr> |
| </table> |
| |
| </dd> |
| <dt><em>Return value</em>:</dt> |
| <dd><p>The converted date and time as a string. |
| </p> |
| </dd> |
| <dt><em>Example</em>:</dt> |
| <dd><div class="smallexample"> |
| <pre class="smallexample">program test_ctime |
| integer(8) :: i |
| character(len=30) :: date |
| i = time8() |
| |
| ! Do something, main part of the program |
| |
| call ctime(i,date) |
| print *, 'Program was started on ', date |
| end program test_ctime |
| </pre></div> |
| |
| </dd> |
| <dt><em>See Also</em>:</dt> |
| <dd><p><a href="DATE_005fAND_005fTIME.html#DATE_005fAND_005fTIME">DATE_AND_TIME</a>, <a href="GMTIME.html#GMTIME">GMTIME</a>, <a href="LTIME.html#LTIME">LTIME</a>, <a href="TIME.html#TIME">TIME</a>, <a href="TIME8.html#TIME8">TIME8</a> |
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