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authoralk3pInjection <webmaster@raspii.tech>2024-02-04 16:16:35 +0800
committeralk3pInjection <webmaster@raspii.tech>2024-02-04 16:16:35 +0800
commitabdaadbcae30fe0c9a66c7516798279fdfd97750 (patch)
tree00a54a6e25601e43876d03c1a4a12a749d4a914c /share/doc/gfortran/FGET.html
Import stripped Arm GNU Toolchain 13.2.Rel1HEADumineko
https://developer.arm.com/downloads/-/arm-gnu-toolchain-downloads Change-Id: I7303388733328cd98ab9aa3c30236db67f2e9e9c
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+<head>
+<title>The GNU Fortran Compiler: FGET</title>
+
+<meta name="description" content="The GNU Fortran Compiler: FGET">
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+<link href="index.html#SEC_Contents" rel="contents" title="Table of Contents">
+<link href="Intrinsic-Procedures.html#Intrinsic-Procedures" rel="up" title="Intrinsic Procedures">
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+<body lang="en" bgcolor="#FFFFFF" text="#000000" link="#0000FF" vlink="#800080" alink="#FF0000">
+<a name="FGET"></a>
+<div class="header">
+<p>
+Next: <a href="FGETC.html#FGETC" accesskey="n" rel="next">FGETC</a>, Previous: <a href="FDATE.html#FDATE" accesskey="p" rel="previous">FDATE</a>, Up: <a href="Intrinsic-Procedures.html#Intrinsic-Procedures" accesskey="u" rel="up">Intrinsic Procedures</a> &nbsp; [<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="FGET-_002d_002d_002d-Read-a-single-character-in-stream-mode-from-stdin"></a>
+<h3 class="section">8.106 <code>FGET</code> &mdash; Read a single character in stream mode from stdin</h3>
+<a name="index-FGET"></a>
+<a name="index-read-character_002c-stream-mode"></a>
+<a name="index-stream-mode_002c-read-character"></a>
+<a name="index-file-operation_002c-read-character"></a>
+
+<dl compact="compact">
+<dt><em>Description</em>:</dt>
+<dd><p>Read a single character in stream mode from stdin by bypassing normal
+formatted output. Stream I/O should not be mixed with normal record-oriented
+(formatted or unformatted) I/O on the same unit; the results are unpredictable.
+</p>
+<p>This intrinsic is provided in both subroutine and function forms; however,
+only one form can be used in any given program unit.
+</p>
+<p>Note that the <code>FGET</code> intrinsic is provided for backwards compatibility with
+<code>g77</code>. GNU Fortran provides the Fortran 2003 Stream facility.
+Programmers should consider the use of new stream IO feature in new code
+for future portability. See also <a href="Fortran-2003-status.html#Fortran-2003-status">Fortran 2003 status</a>.
+</p>
+</dd>
+<dt><em>Standard</em>:</dt>
+<dd><p>GNU extension
+</p>
+</dd>
+<dt><em>Class</em>:</dt>
+<dd><p>Subroutine, function
+</p>
+</dd>
+<dt><em>Syntax</em>:</dt>
+<dd><table>
+<tr><td width="80%"><code>CALL FGET(C [, STATUS])</code></td></tr>
+<tr><td width="80%"><code>STATUS = FGET(C)</code></td></tr>
+</table>
+
+</dd>
+<dt><em>Arguments</em>:</dt>
+<dd><table>
+<tr><td width="15%"><var>C</var></td><td width="70%">The type shall be <code>CHARACTER</code> and of default
+kind.</td></tr>
+<tr><td width="15%"><var>STATUS</var></td><td width="70%">(Optional) status flag of type <code>INTEGER</code>.
+Returns 0 on success, -1 on end-of-file, and a system specific positive
+error code otherwise.</td></tr>
+</table>
+
+</dd>
+<dt><em>Example</em>:</dt>
+<dd><div class="smallexample">
+<pre class="smallexample">PROGRAM test_fget
+ INTEGER, PARAMETER :: strlen = 100
+ INTEGER :: status, i = 1
+ CHARACTER(len=strlen) :: str = &quot;&quot;
+
+ WRITE (*,*) 'Enter text:'
+ DO
+ CALL fget(str(i:i), status)
+ if (status /= 0 .OR. i &gt; strlen) exit
+ i = i + 1
+ END DO
+ WRITE (*,*) TRIM(str)
+END PROGRAM
+</pre></div>
+
+</dd>
+<dt><em>See also</em>:</dt>
+<dd><p><a href="FGETC.html#FGETC">FGETC</a>, <br>
+<a href="FPUT.html#FPUT">FPUT</a>, <br>
+<a href="FPUTC.html#FPUTC">FPUTC</a>
+</p></dd>
+</dl>
+
+
+
+
+
+
+</body>
+</html>