97 lines
6.0 KiB
HTML
97 lines
6.0 KiB
HTML
<?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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<meta name="DC.Type" content="concept" />
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<meta name="DC.Title" content="Name for display files (positions 19 through 28)" />
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<meta name="abstract" content="Use these positions to specify record format names and field names." />
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<meta name="description" content="Use these positions to specify record format names and field names." />
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<meta name="DC.subject" content="name positional entry" />
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<meta name="keywords" content="name positional entry" />
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<meta name="DC.Relation" scheme="URI" content="rzakcmstpsnent.htm" />
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<meta name="DC.Relation" scheme="URI" content="pos17.htm" />
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<meta name="DC.Relation" scheme="URI" content="../dds/rbafpmstsyntax.htm" />
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<meta name="copyright" content="(C) Copyright IBM Corporation 2001, 2006" />
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<link rel="stylesheet" type="text/css" href="./ibmdita.css" />
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<title>Name for display files (positions 19 through 28)</title>
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</head>
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<body id="pos1928"><a name="pos1928"><!-- --></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">Name for display files (positions 19 through 28)</h1>
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<div><p>Use these positions to specify record format names and field names.</p>
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<p>The names must begin in position 19.</p>
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<p>The Figure Display file coding in the <a href="displ.htm">Define a display file for DDS</a> topic
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shows you how to specify record format names and field names.</p>
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<div class="section"><h4 class="sectiontitle">Record format name</h4><p>When you specify R in position 17,
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the name specified in positions 19 through 28 is a record format name. You
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can specify more than one record format for a display file, but each record
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format name must be unique within that file.</p>
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</div>
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<div class="section"><h4 class="sectiontitle">Field name</h4><p>When
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position 17 is left blank, the name you specified in positions 19 through
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28 is a field name. Field names must be unique within the record format.</p>
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</div>
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<div class="section"><h4 class="sectiontitle">Constant fields</h4><div class="p">Constant fields are unnamed fields (positions 19 through
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28 must be blank). The following rules apply to constant fields: <ul><li>Positions 17 through 38 must be blank.</li>
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<li>The location of the field is required (positions 39 through 44).</li>
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<li>The field can be conditioned using option indicators (positions 7 through
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16).</li>
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<li>You can specify secondary display locations using display size condition
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names (positions 8 through 16). Only the display size condition name and location
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can be specified. That is, positions 7, 17 through 38, and 45 through 80 must
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be blank.</li>
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<li>The constant itself is defined in positions 45 through 80 using one of
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the following entries: <ul><li>Explicit DFT keyword (specify the value within single quotation marks with the DFT
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keyword)</li>
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<li>Implicit DFT keyword (specify the value within single quotation marks without the
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DFT keyword)</li>
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<li>DATE keyword (specify no value; see the DATE keyword description)</li>
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<li>TIME keyword (specify no value; see the TIME keyword description)</li>
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<li>SYSNAME keyword (specify no value; see the SYSNAME keyword description)</li>
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<li>USER keyword (specify no value; see the USER keyword description)</li>
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<li>MSGCON keyword (specify the message description, the message file, the
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library name, and the length of the message description)</li>
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</ul>
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</li>
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</ul>
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</div>
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</div>
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<div class="section"><h4 class="sectiontitle">How to determine the order of fields in a record format</h4><p>The
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order of the name fields that you specify in a record format is the order
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in which the name fields appear in your program when it is compiled. (Unnamed
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fields do not appear in your program.)</p>
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<p>The locations of named and unnamed
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fields you specify in positions 39 through 44 determine the order that the
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fields appear in the display. Hidden fields (H in position 38) and Program-to-System
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fields (P in position 38) do not appear on the display.</p>
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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="rzakcmstpsnent.htm" title="Use this information to specify the first 44 positions of the data description specifications (DDS) form for display files.">Positional entries for display files (positions 1 through 44)</a></div>
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</div>
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<div class="relconcepts"><strong>Related concepts</strong><br />
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<div><a href="pos3944.htm" title="Use these positions to specify the exact location on the display where each field begins.">Location for display files (positions 39 through 44)</a></div>
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</div>
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<div class="relref"><strong>Related reference</strong><br />
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<div><a href="pos17.htm" title="You can specify a value in this position to identify the type of name in positions 19 through 28.">Type of name or specification for display files (position 17)</a></div>
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<div><a href="../dds/rbafpmstsyntax.htm">Rules for DDS keywords and parameter values</a></div>
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</div>
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</div>
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</body>
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</html> |