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| Next: <a href="LEN_005fTRIM.html#LEN_005fTRIM" accesskey="n" rel="next">LEN_TRIM</a>, Previous: <a href="LEADZ.html#LEADZ" accesskey="p" rel="prev">LEADZ</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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| <a name="LEN-_002d_002d_002d-Length-of-a-character-entity"></a> |
| <h3 class="section">8.144 <code>LEN</code> — Length of a character entity</h3> |
| <a name="index-LEN"></a> |
| <a name="index-string_002c-length"></a> |
| |
| <dl compact="compact"> |
| <dt><em>Description</em>:</dt> |
| <dd><p>Returns the length of a character string. If <var>STRING</var> is an array, |
| the length of an element of <var>STRING</var> is returned. Note that |
| <var>STRING</var> need not be defined when this intrinsic is invoked, since |
| only the length, not the content, of <var>STRING</var> is needed. |
| </p> |
| </dd> |
| <dt><em>Standard</em>:</dt> |
| <dd><p>Fortran 77 and later, with <var>KIND</var> argument Fortran 2003 and later |
| </p> |
| </dd> |
| <dt><em>Class</em>:</dt> |
| <dd><p>Inquiry function |
| </p> |
| </dd> |
| <dt><em>Syntax</em>:</dt> |
| <dd><p><code>L = LEN(STRING [, KIND])</code> |
| </p> |
| </dd> |
| <dt><em>Arguments</em>:</dt> |
| <dd><table> |
| <tr><td width="15%"><var>STRING</var></td><td width="70%">Shall be a scalar or array of type |
| <code>CHARACTER</code>, with <code>INTENT(IN)</code></td></tr> |
| <tr><td width="15%"><var>KIND</var></td><td width="70%">(Optional) An <code>INTEGER</code> initialization |
| expression indicating the kind parameter of the result.</td></tr> |
| </table> |
| |
| </dd> |
| <dt><em>Return value</em>:</dt> |
| <dd><p>The return value is of type <code>INTEGER</code> and of kind <var>KIND</var>. If |
| <var>KIND</var> is absent, the return value is of default integer kind. |
| </p> |
| |
| </dd> |
| <dt><em>Specific names</em>:</dt> |
| <dd><table> |
| <tr><td width="20%">Name</td><td width="20%">Argument</td><td width="20%">Return type</td><td width="25%">Standard</td></tr> |
| <tr><td width="20%"><code>LEN(STRING)</code></td><td width="20%"><code>CHARACTER</code></td><td width="20%"><code>INTEGER</code></td><td width="25%">Fortran 77 and later</td></tr> |
| </table> |
| |
| |
| </dd> |
| <dt><em>See also</em>:</dt> |
| <dd><p><a href="LEN_005fTRIM.html#LEN_005fTRIM">LEN_TRIM</a>, <a href="ADJUSTL.html#ADJUSTL">ADJUSTL</a>, <a href="ADJUSTR.html#ADJUSTR">ADJUSTR</a> |
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