71 lines
4.2 KiB
HTML
71 lines
4.2 KiB
HTML
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<?xml version="1.0" encoding="UTF-8"?>
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<!DOCTYPE html
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PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
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<html lang="en-us" xml:lang="en-us">
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<head>
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<meta name="DC.Title" content="DDS syntax for a display file" />
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<meta name="DC.subject" content="display files, syntax coding examples" />
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<meta name="keywords" content="display files, syntax coding examples" />
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<meta name="copyright" content="(C) Copyright IBM Corporation 1999, 2006" />
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<meta name="DC.Language" content="en-us" />
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<!-- All rights reserved. Licensed Materials Property of IBM -->
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<!-- US Government Users Restricted Rights -->
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<!-- Use, duplication or disclosure restricted by -->
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<!-- GSA ADP Schedule Contract with IBM Corp. -->
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<link rel="stylesheet" type="text/css" href="./ibmdita.css" />
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<link rel="stylesheet" type="text/css" href="./ic.css" />
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<title>DDS syntax for a display file</title>
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</head>
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<body id="dspfexam"><a name="dspfexam"><!-- --></a>
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<!-- Java sync-link --><script language="Javascript" src="../rzahg/synch.js" type="text/javascript"></script>
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<h1 class="topictitle1">DDS syntax for a display file</h1>
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<div><div class="fignone"><br /><img src="rv2f117.gif" alt="Syntax for a Display File.
An illustration of a DDS coding form that describes a display file." /><br /></div>
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<dl><dt class="dlterm"><span>1</span></dt>
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<dd>Comments (optional): Comments can appear on any line in DDS. They are
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identified by an asterisk in position 7.</dd>
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<dt class="dlterm"><span>2</span></dt>
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<dd>File level (optional): File-level keywords appear before the first record
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format name (RECORDA on line 00040).</dd>
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<dt class="dlterm"><span>3</span></dt>
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<dd>Record level (at least one required): R in position 17 identifies RECORDA
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as a record format name. The record level continues until either the first
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field is specified or the first help specification.</dd>
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<dt class="dlterm"><span>4</span></dt>
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<dd>Help level (optional): H in position 17 identifies the beginning of a
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help specification. A help specification continues until the next H in position
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17 or until the first field. Each help specification must include at least
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one HLPARA keyword, and a HLPRCD or HLPDOC keyword.</dd>
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<dt class="dlterm"><span>5</span></dt>
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<dd>Field level (optional): Display file
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fields that are passed between the display device and the program must be
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named fields and must have a length specified. Other attributes can be specified
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explicitly or by default. Constant (unnamed) fields require only a location
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and a keyword, as described in DATE, DFT, TIME, and MSGCON keyword descriptions
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in <a href="../rzakc/rzakcmstkeyent.htm">DDS
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keyword entries for display files (position 45 through 80)</a>. Positions
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17 through 38 do not apply to constant fields.</dd>
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</dl>
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<div class="note"><span class="notetitle">Notes:</span> <ol><li>Items <span>3</span> through <span>5</span> can be repeated to specify new record
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formats within the display file.</li>
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<li>See the <a href="../rzakc/rzakcmstpsnent.htm">Positional
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entries for display files</a> topic for a description of each of the columns
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shown in the figure.</li>
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</ol>
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</div>
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</div>
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<div>
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<div class="familylinks">
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<div class="parentlink"><strong>Parent topic:</strong> <a href="syntaxexam.htm" title="These topics provide syntax coding examples. Except for HLPARA, JFILE, JFLD, and PFILE, the keywords shown in these examples are not actual keywords. They indicate where you should specify the keywords.">Examples: DDS syntax coding</a></div>
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</div>
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</div>
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</body>
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</html>
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