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NAME=)</a>, Up: <a href="Extensions-not-implemented-in-GNU-Fortran.html#Extensions-not-implemented-in-GNU-Fortran" accesskey="u" rel="up">Extensions not implemented in GNU Fortran</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> +</div> +<hr> +<a name="Q-edit-descriptor-1"></a> +<h4 class="subsection">5.2.6 <code>Q</code> edit descriptor</h4> +<a name="index-Q-edit-descriptor"></a> + +<p>Some Fortran compilers provide the <code>Q</code> edit descriptor, which +transfers the number of characters left within an input record into an +integer variable. +</p> +<p>A direct replacement of the <code>Q</code> edit descriptor is not available +in <code>gfortran</code>. How to replicate its functionality using +standard-conforming code depends on what the intent of the original +code is. +</p> +<p>Options to replace <code>Q</code> may be to read the whole line into a +character variable and then counting the number of non-blank +characters left using <code>LEN_TRIM</code>. Another method may be to use +formatted stream, read the data up to the position where the <code>Q</code> +descriptor occurred, use <code>INQUIRE</code> to get the file position, +count the characters up to the next <code>NEW_LINE</code> and then start +reading from the position marked previously. +</p> + + + + + +</body> +</html> |