99 lines
5.1 KiB
HTML
99 lines
5.1 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="ITERATE command" />
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<meta name="abstract" content="The Iterate (ITERATE) command can be used to skip the remaining commands in an active DOWHILE, DOUNTIL, or DOFOR group." />
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<meta name="description" content="The Iterate (ITERATE) command can be used to skip the remaining commands in an active DOWHILE, DOUNTIL, or DOFOR group." />
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<meta name="DC.subject" content="ITERATE (Iterate) command, command, CL, ITERATE (Iterate), example, ITERATE command" />
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<meta name="keywords" content="ITERATE (Iterate) command, command, CL, ITERATE (Iterate), example, ITERATE command" />
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<meta name="DC.Relation" scheme="URI" content="contp.htm" />
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<meta name="DC.Relation" scheme="URI" content="../clfinder/finder.htm" />
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<meta name="DC.Relation" scheme="URI" content="../cl/iterate.htm" />
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<meta name="copyright" content="(C) Copyright IBM Corporation 1998, 2006" />
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<link rel="stylesheet" type="text/css" href="./ic.css" />
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<title>ITERATE command</title>
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</head>
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<body id="iteratecmd"><a name="iteratecmd"><!-- --></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">ITERATE command</h1>
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<div><p>The <span class="cmdname">Iterate (ITERATE)</span> command can be used to
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skip the remaining commands in an active DOWHILE, DOUNTIL, or DOFOR group. </p>
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<div class="section"><p>ITERATE is not valid with simple DO command groups.</p>
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<p>An <span class="cmdname">Iterate
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(ITERATE)</span> command without a label will skip to the ENDDO of the
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innermost active DO group. Specifying a label skips to the ENDDO of the DO
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associated with the label.</p>
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<p>The following illustrates use of the <span class="cmdname">Iterate
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(ITERATE)</span> command:</p>
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<pre>DO_1:
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DO_2:DOWHILE &LGL
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DO_3: DOFOR &INT FROM(0) TO(99)
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.
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.
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.
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IF (&A *EQ 12) THEN (ITERATE DO_1)
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.
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. /* Not processed if &A equals 12 */
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.
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IF (&A *GT 12) ITERATE
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.
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. /* Not processed if &A greater than 12 */
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.
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ENDDO
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.
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.
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.
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IF (&A *LT 0) (ITERATE DO_1)
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.
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. /* Not processed if &A less than zero */
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.
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ENDDO
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</pre>
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<p>In this example, the labels DO_1 and DO_2 are associated with
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the DOWHILE group. They can be specified on an <span class="cmdname">Iterate (ITERATE)</span> command
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appearing in either the DOWHILE or DOFOR group. When &A is equal to 12,
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the ITERATE DO_1 command is run. Processing continues at the ENDDO associated
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with the DOWHILE command. The value of &LGL is evaluated and, if true,
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continues with the DOFOR following the DOWHILE. If &LGL is false, processing
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continues with the CL command following the second ENDDO.</p>
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<p>If &A
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is not equal to 12 but is greater than 12, processing continues with the ENDDO
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of the DOFOR group. The value of &INT is incremented and compared to
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the ending value of 99. If &INT is less than or equal to 99, processing
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continues with the first command following the <span class="cmdname">Do For (DOFOR)</span> command.
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If &INT is greater than 99, processing continues with the next command
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following the first ENDDO.</p>
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<p>When the third IF command is processed and &A
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is less than zero, processing continues with the second ENDDO. The value
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of &LGL is evaluated and, if false, control passes to the command following
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the ENDDO. If true, processing resumes with the <span class="cmdname">Do For (DOFOR)</span> command
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following the DOWHILE.</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="contp.htm" title="You can use commands to change the flow of logic within your CL procedure.">Control processing within a CL procedure</a></div>
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</div>
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<div class="relinfo"><strong>Related information</strong><br />
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<div><a href="../clfinder/finder.htm">CL command finder</a></div>
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<div><a href="../cl/iterate.htm">Iterate (ITERATE) command</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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