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<h3 class="section">8.95 <code>GETARG</code> — Get command line arguments</h3>
<p><a name="index-GETARG-644"></a><a name="index-command_002dline-arguments-645"></a><a name="index-arguments_002c-to-program-646"></a>
<dl>
<dt><em>Description</em>:<dd>Retrieve the <var>POS</var>-th argument that was passed on the
command line when the containing program was invoked.
<p>This intrinsic routine is provided for backwards compatibility with
GNU Fortran 77. In new code, programmers should consider the use of
the <a href="GET_005fCOMMAND_005fARGUMENT.html#GET_005fCOMMAND_005fARGUMENT">GET_COMMAND_ARGUMENT</a> intrinsic defined by the Fortran 2003
standard.
<br><dt><em>Standard</em>:<dd>GNU extension
<br><dt><em>Class</em>:<dd>Subroutine
<br><dt><em>Syntax</em>:<dd><code>CALL GETARG(POS, VALUE)</code>
<br><dt><em>Arguments</em>:<dd>
<p><table summary=""><tr align="left"><td valign="top" width="15%"><var>POS</var> </td><td valign="top" width="70%">Shall be of type <code>INTEGER</code> and not wider than
the default integer kind; <var>POS</var> \geq 0
<br></td></tr><tr align="left"><td valign="top" width="15%"><var>VALUE</var> </td><td valign="top" width="70%">Shall be of type <code>CHARACTER</code> and of default
kind.
<br></td></tr><tr align="left"><td valign="top" width="15%"><var>VALUE</var> </td><td valign="top" width="70%">Shall be of type <code>CHARACTER</code>.
<br></td></tr></table>
<br><dt><em>Return value</em>:<dd>After <code>GETARG</code> returns, the <var>VALUE</var> argument holds the
<var>POS</var>th command line argument. If <var>VALUE</var> can not hold the
argument, it is truncated to fit the length of <var>VALUE</var>. If there are
less than <var>POS</var> arguments specified at the command line, <var>VALUE</var>
will be filled with blanks. If <var>POS</var> = 0, <var>VALUE</var> is set
to the name of the program (on systems that support this feature).
<br><dt><em>Example</em>:<dd>
<pre class="smallexample"> PROGRAM test_getarg
INTEGER :: i
CHARACTER(len=32) :: arg
DO i = 1, iargc()
CALL getarg(i, arg)
WRITE (*,*) arg
END DO
END PROGRAM
</pre>
<br><dt><em>See also</em>:<dd>GNU Fortran 77 compatibility function: <a href="IARGC.html#IARGC">IARGC</a>
<p>Fortran 2003 functions and subroutines: <a href="GET_005fCOMMAND.html#GET_005fCOMMAND">GET_COMMAND</a>,
<a href="GET_005fCOMMAND_005fARGUMENT.html#GET_005fCOMMAND_005fARGUMENT">GET_COMMAND_ARGUMENT</a>, <a href="COMMAND_005fARGUMENT_005fCOUNT.html#COMMAND_005fARGUMENT_005fCOUNT">COMMAND_ARGUMENT_COUNT</a>
</dl>
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