150 lines
5.4 KiB
HTML
150 lines
5.4 KiB
HTML
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<head>
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<title>The GNU Fortran Compiler: FDATE</title>
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<link href="Option-Index.html#Option-Index" rel="index" title="Option Index">
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<link href="index.html#SEC_Contents" rel="contents" title="Table of Contents">
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<link href="Intrinsic-Procedures.html#Intrinsic-Procedures" rel="up" title="Intrinsic Procedures">
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<body lang="en" bgcolor="#FFFFFF" text="#000000" link="#0000FF" vlink="#800080" alink="#FF0000">
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<a name="FDATE"></a>
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<div class="header">
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<p>
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Next: <a href="FGET.html#FGET" accesskey="n" rel="next">FGET</a>, Previous: <a href="EXTENDS_005fTYPE_005fOF.html#EXTENDS_005fTYPE_005fOF" accesskey="p" rel="prev">EXTENDS_TYPE_OF</a>, Up: <a href="Intrinsic-Procedures.html#Intrinsic-Procedures" accesskey="u" rel="up">Intrinsic Procedures</a> [<a href="index.html#SEC_Contents" title="Table of contents" rel="contents">Contents</a>][<a href="Option-Index.html#Option-Index" title="Index" rel="index">Index</a>]</p>
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</div>
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<hr>
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<a name="FDATE-_002d_002d_002d-Get-the-current-time-as-a-string"></a>
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<h3 class="section">9.98 <code>FDATE</code> — Get the current time as a string</h3>
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<a name="index-FDATE"></a>
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<a name="index-time_002c-current-1"></a>
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<a name="index-current-time-1"></a>
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<a name="index-date_002c-current-1"></a>
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<a name="index-current-date-1"></a>
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<dl compact="compact">
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<dt><em>Description</em>:</dt>
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<dd><p><code>FDATE(DATE)</code> returns the current date (using the same format as
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<code>CTIME</code>) in <var>DATE</var>. It is equivalent to <code>CALL CTIME(DATE,
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TIME())</code>.
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</p>
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<p>This intrinsic is provided in both subroutine and function forms; however,
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only one form can be used in any given program unit.
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</p>
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</dd>
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<dt><em>Standard</em>:</dt>
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<dd><p>GNU extension
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</p>
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</dd>
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<dt><em>Class</em>:</dt>
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<dd><p>Subroutine, function
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</p>
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</dd>
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<dt><em>Syntax</em>:</dt>
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<dd><table>
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<tr><td width="80%"><code>CALL FDATE(DATE)</code>.</td></tr>
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<tr><td width="80%"><code>DATE = FDATE()</code>.</td></tr>
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</table>
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</dd>
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<dt><em>Arguments</em>:</dt>
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<dd><table>
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<tr><td width="15%"><var>DATE</var></td><td width="70%">The type shall be of type <code>CHARACTER</code> of the
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default kind. It is an <code>INTENT(OUT)</code> argument. If the length of
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this variable is too short for the date and time string to fit
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completely, it will be blank on procedure return.</td></tr>
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</table>
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</dd>
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<dt><em>Return value</em>:</dt>
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<dd><p>The current date and time as a string.
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</p>
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</dd>
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<dt><em>Example</em>:</dt>
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<dd><div class="smallexample">
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<pre class="smallexample">program test_fdate
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integer(8) :: i, j
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character(len=30) :: date
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call fdate(date)
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print *, 'Program started on ', date
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do i = 1, 100000000 ! Just a delay
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j = i * i - i
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end do
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call fdate(date)
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print *, 'Program ended on ', date
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end program test_fdate
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</pre></div>
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</dd>
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<dt><em>See also</em>:</dt>
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<dd><p><a href="DATE_005fAND_005fTIME.html#DATE_005fAND_005fTIME">DATE_AND_TIME</a>, <a href="CTIME.html#CTIME">CTIME</a>
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</p></dd>
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</dl>
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