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| author | alk3pInjection <webmaster@raspii.tech> | 2024-02-04 16:16:35 +0800 |
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| committer | alk3pInjection <webmaster@raspii.tech> | 2024-02-04 16:16:35 +0800 |
| commit | abdaadbcae30fe0c9a66c7516798279fdfd97750 (patch) | |
| tree | 00a54a6e25601e43876d03c1a4a12a749d4a914c /share/doc/gfortran/Q-edit-descriptor.html | |
https://developer.arm.com/downloads/-/arm-gnu-toolchain-downloads
Change-Id: I7303388733328cd98ab9aa3c30236db67f2e9e9c
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diff --git a/share/doc/gfortran/Q-edit-descriptor.html b/share/doc/gfortran/Q-edit-descriptor.html new file mode 100644 index 0000000..ff29df8 --- /dev/null +++ b/share/doc/gfortran/Q-edit-descriptor.html @@ -0,0 +1,104 @@ +<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> +<html> +<!-- Copyright (C) 1999-2023 Free Software Foundation, Inc. + +Permission is granted to copy, distribute and/or modify this document +under the terms of the GNU Free Documentation License, Version 1.3 or +any later version published by the Free Software Foundation; with the +Invariant Sections being "Funding Free Software", the Front-Cover +Texts being (a) (see below), and with the Back-Cover Texts being (b) +(see below). A copy of the license is included in the section entitled +"GNU Free Documentation License". + +(a) The FSF's Front-Cover Text is: + +A GNU Manual + +(b) The FSF's Back-Cover Text is: + +You have freedom to copy and modify this GNU Manual, like GNU + software. Copies published by the Free Software Foundation raise + funds for GNU development. --> +<!-- Created by GNU Texinfo 5.1, http://www.gnu.org/software/texinfo/ --> +<head> +<title>The GNU Fortran Compiler: Q edit descriptor</title> + +<meta name="description" content="The GNU Fortran Compiler: Q edit descriptor"> +<meta name="keywords" content="The GNU Fortran Compiler: Q edit descriptor"> +<meta name="resource-type" content="document"> +<meta name="distribution" content="global"> +<meta name="Generator" content="makeinfo"> +<meta http-equiv="Content-Type" content="text/html; charset=utf-8"> +<link href="index.html#Top" rel="start" title="Top"> +<link href="Option-Index.html#Option-Index" rel="index" title="Option Index"> +<link href="index.html#SEC_Contents" rel="contents" title="Table of Contents"> +<link href="Extensions-not-implemented-in-GNU-Fortran.html#Extensions-not-implemented-in-GNU-Fortran" rel="up" title="Extensions not implemented in GNU Fortran"> +<link href="Mixed_002dLanguage-Programming.html#Mixed_002dLanguage-Programming" rel="next" title="Mixed-Language Programming"> +<link href="OPEN_0028-_002e_002e_002e-NAME_003d_0029.html#OPEN_0028-_002e_002e_002e-NAME_003d_0029" rel="previous" title="OPEN( ... NAME=)"> +<style type="text/css"> +<!-- +a.summary-letter {text-decoration: none} +blockquote.smallquotation {font-size: smaller} +div.display {margin-left: 3.2em} +div.example {margin-left: 3.2em} +div.indentedblock {margin-left: 3.2em} +div.lisp {margin-left: 3.2em} +div.smalldisplay {margin-left: 3.2em} +div.smallexample {margin-left: 3.2em} +div.smallindentedblock {margin-left: 3.2em; font-size: smaller} +div.smalllisp {margin-left: 3.2em} +kbd {font-style:oblique} +pre.display {font-family: inherit} +pre.format {font-family: inherit} +pre.menu-comment {font-family: serif} +pre.menu-preformatted {font-family: serif} +pre.smalldisplay {font-family: inherit; font-size: smaller} +pre.smallexample {font-size: smaller} +pre.smallformat {font-family: inherit; font-size: smaller} +pre.smalllisp {font-size: smaller} +span.nocodebreak {white-space:nowrap} +span.nolinebreak {white-space:nowrap} +span.roman {font-family:serif; font-weight:normal} +span.sansserif {font-family:sans-serif; font-weight:normal} +ul.no-bullet {list-style: none} +--> +</style> + + +</head> + +<body lang="en" bgcolor="#FFFFFF" text="#000000" link="#0000FF" vlink="#800080" alink="#FF0000"> +<a name="Q-edit-descriptor"></a> +<div class="header"> +<p> +Previous: <a href="OPEN_0028-_002e_002e_002e-NAME_003d_0029.html#OPEN_0028-_002e_002e_002e-NAME_003d_0029" accesskey="p" rel="previous">OPEN( ... 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> |