74 lines
3.4 KiB
HTML
74 lines
3.4 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 http-equiv="Content-Type" content="text/html; charset=utf-8" />
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<meta http-equiv="PICS-Label" content='(PICS-1.1 "http://www.icra.org/ratingsv02.html" l gen true r (cz 1 lz 1 nz 1 oz 1 vz 1) "http://www.rsac.org/ratingsv01.html" l gen true r (n 0 s 0 v 0 l 0) "http://www.classify.org/safesurf/" l gen true r (SS~~000 1))' />
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<meta name="DC.Type" content="reference" />
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<meta name="DC.Title" content="Examples: Change character variable" />
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<meta name="abstract" content="This example changes the value of a character variable using the EVAL debug command." />
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<meta name="description" content="This example changes the value of a character variable using the EVAL debug command." />
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<meta name="DC.subject" content="example, change variable, character" />
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<meta name="keywords" content="example, change variable, character" />
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<meta name="DC.Relation" scheme="URI" content="chgvarval.htm" />
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<meta name="copyright" content="(C) Copyright IBM Corporation 1998, 2006" />
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<meta name="DC.Rights.Owner" content="(C) Copyright IBM Corporation 1998, 2006" />
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<meta name="DC.Format" content="XHTML" />
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<meta name="DC.Identifier" content="chgcharvar" />
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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>Examples: Change character variable</title>
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</head>
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<body id="chgcharvar"><a name="chgcharvar"><!-- --></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">Examples: Change character variable</h1>
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<div><p>This example changes the value of a character variable
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using the EVAL debug command.</p>
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<div class="example"> <pre>CL declarations: DCL VAR(&CHAR1) TYPE(*CHAR) LEN(1) VALUE
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('A')
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DCL VAR(&CHAR2) TYPE(*CHAR) LEN(10)
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Debug command: EVAL &CHAR1 = 'B'
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Result: &CHAR1 = 'B' = 'B'
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Debug command: EVAL &CHAR1 = X'F0F1F2F3'
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Result: &CHAR1 = 'F0F1F2F3' = '0'
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Debug command: EVAL &CHAR2 = 'ABC'
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Result: &CHAR2 = 'ABC' = 'ABC '
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Debug command: EVAL %SUBSTR(CHAR2 1 2) = %SUBSTR(&CHAR2 3 1)
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Result: %SUBSTR(CHAR2 1 2) = %SUBSTR(&CHAR2 3 1) = 'C '
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Comment: Variable &CHAR contains 'C C '</pre>
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</div>
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<div class="section"><p>The %SUBSTR built-in function allows you to substring a character
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string variable. The first argument must be a string identifier, the second
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argument is the starting position, and the third argument is the number of
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single byte or double byte characters. Arguments are delimited by one or
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more spaces.</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="chgvarval.htm" title="You can change the value of variables by using the EVAL command with the assignment operator (=).">Change the value of variables</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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