181 lines
8.2 KiB
HTML
181 lines
8.2 KiB
HTML
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<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
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<html>
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<!-- Copyright (C) 1999-2016 Free Software Foundation, Inc.
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Permission is granted to copy, distribute and/or modify this document
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under the terms of the GNU Free Documentation License, Version 1.3 or
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any later version published by the Free Software Foundation; with the
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Invariant Sections being "Funding Free Software", the Front-Cover
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Texts being (a) (see below), and with the Back-Cover Texts being (b)
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(see below). A copy of the license is included in the section entitled
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"GNU Free Documentation License".
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(a) The FSF's Front-Cover Text is:
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A GNU Manual
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(b) The FSF's Back-Cover Text is:
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You have freedom to copy and modify this GNU Manual, like GNU
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software. Copies published by the Free Software Foundation raise
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funds for GNU development. -->
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<!-- Created by GNU Texinfo 5.2, http://www.gnu.org/software/texinfo/ -->
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<head>
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<title>The GNU Fortran Compiler: STAT</title>
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<meta name="description" content="The GNU Fortran Compiler: STAT">
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<meta name="keywords" content="The GNU Fortran Compiler: STAT">
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<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
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<link href="index.html#Top" rel="start" title="Top">
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<link href="Option-Index.html#Option-Index" rel="index" title="Option Index">
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<link href="index.html#SEC_Contents" rel="contents" title="Table of Contents">
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<link href="Intrinsic-Procedures.html#Intrinsic-Procedures" rel="up" title="Intrinsic Procedures">
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<link href="STORAGE_005fSIZE.html#STORAGE_005fSIZE" rel="next" title="STORAGE_SIZE">
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<link href="SRAND.html#SRAND" rel="prev" title="SRAND">
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</style>
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</head>
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<body lang="en" bgcolor="#FFFFFF" text="#000000" link="#0000FF" vlink="#800080" alink="#FF0000">
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<a name="STAT"></a>
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<div class="header">
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<p>
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Next: <a href="STORAGE_005fSIZE.html#STORAGE_005fSIZE" accesskey="n" rel="next">STORAGE_SIZE</a>, Previous: <a href="SRAND.html#SRAND" accesskey="p" rel="prev">SRAND</a>, Up: <a href="Intrinsic-Procedures.html#Intrinsic-Procedures" accesskey="u" rel="up">Intrinsic Procedures</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>
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</div>
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<hr>
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<a name="STAT-_002d_002d_002d-Get-file-status"></a>
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<h3 class="section">9.249 <code>STAT</code> — Get file status</h3>
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<a name="index-STAT"></a>
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<a name="index-file-system_002c-file-status-2"></a>
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<dl compact="compact">
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<dt><em>Description</em>:</dt>
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<dd><p>This function returns information about a file. No permissions are required on
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the file itself, but execute (search) permission is required on all of the
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directories in path that lead to the file.
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</p>
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<p>The elements that are obtained and stored in the array <code>VALUES</code>:
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</p><table>
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<tr><td width="15%"><code>VALUES(1)</code></td><td width="70%">Device ID</td></tr>
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<tr><td width="15%"><code>VALUES(2)</code></td><td width="70%">Inode number</td></tr>
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<tr><td width="15%"><code>VALUES(3)</code></td><td width="70%">File mode</td></tr>
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<tr><td width="15%"><code>VALUES(4)</code></td><td width="70%">Number of links</td></tr>
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<tr><td width="15%"><code>VALUES(5)</code></td><td width="70%">Owner’s uid</td></tr>
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<tr><td width="15%"><code>VALUES(6)</code></td><td width="70%">Owner’s gid</td></tr>
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<tr><td width="15%"><code>VALUES(7)</code></td><td width="70%">ID of device containing directory entry for file (0 if not available)</td></tr>
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<tr><td width="15%"><code>VALUES(8)</code></td><td width="70%">File size (bytes)</td></tr>
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<tr><td width="15%"><code>VALUES(9)</code></td><td width="70%">Last access time</td></tr>
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<tr><td width="15%"><code>VALUES(10)</code></td><td width="70%">Last modification time</td></tr>
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<tr><td width="15%"><code>VALUES(11)</code></td><td width="70%">Last file status change time</td></tr>
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<tr><td width="15%"><code>VALUES(12)</code></td><td width="70%">Preferred I/O block size (-1 if not available)</td></tr>
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<tr><td width="15%"><code>VALUES(13)</code></td><td width="70%">Number of blocks allocated (-1 if not available)</td></tr>
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</table>
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<p>Not all these elements are relevant on all systems.
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If an element is not relevant, it is returned as 0.
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</p>
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<p>This intrinsic is provided in both subroutine and function forms; however,
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only one form can be used in any given program unit.
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</p>
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</dd>
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<dt><em>Standard</em>:</dt>
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<dd><p>GNU extension
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</p>
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</dd>
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<dt><em>Class</em>:</dt>
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<dd><p>Subroutine, function
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</p>
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</dd>
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<dt><em>Syntax</em>:</dt>
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<dd><table>
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<tr><td width="80%"><code>CALL STAT(NAME, VALUES [, STATUS])</code></td></tr>
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<tr><td width="80%"><code>STATUS = STAT(NAME, VALUES)</code></td></tr>
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</table>
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</dd>
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<dt><em>Arguments</em>:</dt>
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<dd><table>
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<tr><td width="15%"><var>NAME</var></td><td width="70%">The type shall be <code>CHARACTER</code>, of the
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default kind and a valid path within the file system.</td></tr>
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<tr><td width="15%"><var>VALUES</var></td><td width="70%">The type shall be <code>INTEGER(4), DIMENSION(13)</code>.</td></tr>
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<tr><td width="15%"><var>STATUS</var></td><td width="70%">(Optional) status flag of type <code>INTEGER(4)</code>. Returns 0
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on success and a system specific error code otherwise.</td></tr>
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</table>
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</dd>
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<dt><em>Example</em>:</dt>
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<dd><div class="smallexample">
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<pre class="smallexample">PROGRAM test_stat
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INTEGER, DIMENSION(13) :: buff
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INTEGER :: status
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CALL STAT("/etc/passwd", buff, status)
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IF (status == 0) THEN
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WRITE (*, FMT="('Device ID:', T30, I19)") buff(1)
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WRITE (*, FMT="('Inode number:', T30, I19)") buff(2)
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WRITE (*, FMT="('File mode (octal):', T30, O19)") buff(3)
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WRITE (*, FMT="('Number of links:', T30, I19)") buff(4)
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WRITE (*, FMT="('Owner''s uid:', T30, I19)") buff(5)
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WRITE (*, FMT="('Owner''s gid:', T30, I19)") buff(6)
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WRITE (*, FMT="('Device where located:', T30, I19)") buff(7)
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WRITE (*, FMT="('File size:', T30, I19)") buff(8)
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WRITE (*, FMT="('Last access time:', T30, A19)") CTIME(buff(9))
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WRITE (*, FMT="('Last modification time', T30, A19)") CTIME(buff(10))
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WRITE (*, FMT="('Last status change time:', T30, A19)") CTIME(buff(11))
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WRITE (*, FMT="('Preferred block size:', T30, I19)") buff(12)
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WRITE (*, FMT="('No. of blocks allocated:', T30, I19)") buff(13)
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END IF
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END PROGRAM
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</pre></div>
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</dd>
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<dt><em>See also</em>:</dt>
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<dd><p>To stat an open file: <a href="FSTAT.html#FSTAT">FSTAT</a>, to stat a link: <a href="LSTAT.html#LSTAT">LSTAT</a>
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</p></dd>
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</dl>
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<hr>
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<div class="header">
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<p>
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Next: <a href="STORAGE_005fSIZE.html#STORAGE_005fSIZE" accesskey="n" rel="next">STORAGE_SIZE</a>, Previous: <a href="SRAND.html#SRAND" accesskey="p" rel="prev">SRAND</a>, Up: <a href="Intrinsic-Procedures.html#Intrinsic-Procedures" accesskey="u" rel="up">Intrinsic Procedures</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>
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</div>
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</body>
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</html>
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