an error occurs in the READ, IOSTAT is returned in IERR and value is set to zero. if no error occurs, IERR=0. </p>
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OPTIONS</h2>
<p>CHARS input string to read numeric value from </p>
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RETURNS</h2>
<p>VALU numeric value returned. May be INTEGER, REAL, or DOUBLEPRECISION. IERR error flag (0 == no error) </p>
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EXAMPLES</h2>
<pre class="fragment">Sample Program:

 program demo_s