89 lines
4.9 KiB
HTML
89 lines
4.9 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.Type" content="reference" />
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<meta name="DC.Title" content="EDTMSK (Edit Mask) keyword for display files" />
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<meta name="abstract" content="Use this field-level keyword to define an edit mask for fields with EDTCDE or EDTWRD keywords." />
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<meta name="description" content="Use this field-level keyword to define an edit mask for fields with EDTCDE or EDTWRD keywords." />
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<meta name="DC.subject" content="EDTMSK (Edit mask) keyword, Edit mask (EDTMSK) keyword, edit mask, creating" />
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<meta name="keywords" content="EDTMSK (Edit mask) keyword, Edit mask (EDTMSK) keyword, edit mask, creating" />
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<meta name="DC.Relation" scheme="URI" content="rzakcmstkeyent.htm" />
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<meta name="copyright" content="(C) Copyright IBM Corporation 2001, 2006" />
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<title>EDTMSK (Edit Mask) keyword for display files</title>
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</head>
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<body id="rzakcmstedtmsk"><a name="rzakcmstedtmsk"><!-- --></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">EDTMSK (Edit Mask) keyword for display files</h1>
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<div><p>Use this field-level keyword to define an edit mask for fields
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with EDTCDE or EDTWRD keywords.</p>
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<div class="section"><p>When a field is displayed with this keyword, user-specified areas
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of the field are protected. The EDTMSK keyword is ignored when the workstation
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is not attached to a controller that supports an enhanced data stream.</p>
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<div class="p">The
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format of the keyword is: <pre>EDTMSK(edit mask)</pre>
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</div>
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<p>One
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parameter must be specified.</p>
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<p>The edit mask is made of two characters:
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an ampersand (&) and a blank ( ). The ampersand represents a protected
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part of the field. A blank represents an unprotected part of the field. The
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edit mask must equal the display length of the field (after editing), and
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the number of unprotected positions must equal the program length of the field.
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The user must be careful to protect only nonnumeric data because protected
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data is not returned to the user if the field is changed.</p>
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<p>The field
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containing the EDTMSK keyword must be usage I or usage B. It must also contain
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the EDTCDE or EDTWRD keywords.</p>
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<p>The following keywords cannot be specified
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on a field with the EDTMSK keyword:</p>
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<ul><li>AUTO (RAB, RAZ)</li>
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<li>CHECK(AB, MF, RB, RZ, RLTB)</li>
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<li>CHOICE</li>
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<li>CNTFLD</li>
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<li>DSPATR(OID SP)</li>
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</ul>
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<p>Option indicators are not valid for this keyword.</p>
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<p>The EDTMSK
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keyword reduces the number of available input fields by total number of segments
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that are used to compose that particular field. For example, EDTMSK(' & &
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') is composed of 3 segments and thus reduces the number of available input
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by 3.</p>
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<p>If the ENTFLDATR keyword is specified with the EDTMSK keyword,
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you might have unpredictable results.</p>
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</div>
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<div class="example"><h4 class="sectiontitle">Example</h4><p>The following example shows how to specify
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the EDTMSK keyword:</p>
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<pre>|...+....1....+....2....+....3....+....4....+....5....+....6....+....7....+....8
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A R RECORD
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A F1 11 0B 3 4EDTWRD('0( ) - ')
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A EDTMSK(' & & & ')
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A F2 6 0B 4 4EDTCDE(Y)
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A EDTMSK(' & & ')
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A</pre>
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<p>In this example, the dash and parentheses in field 1
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are protected. Also, the data separators in field 2 are protected.</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="rzakcmstkeyent.htm" title="You type the keyword entries that define display files in positions 45 through 80 (functions).">DDS keyword entries for display files (positions 45 through 80)</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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