72 lines
4.2 KiB
HTML
72 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 http-equiv="Content-Type" content="text/html; charset=utf-8" />
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<meta name="security" content="public" />
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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="concept" />
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<meta name="DC.Title" content="User label processing" />
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<meta name="abstract" content="Understand the basics of how user labels work." />
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<meta name="description" content="Understand the basics of how user labels work." />
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<meta name="DC.Relation" scheme="URI" content="usetfhll.htm" />
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<meta name="DC.Relation" scheme="URI" content="param1.htm" />
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<meta name="DC.Relation" scheme="URI" content="param2.htm" />
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<meta name="DC.Relation" scheme="URI" content="param3.htm" />
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<meta name="DC.Relation" scheme="URI" content="tapkey.htm" />
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<meta name="copyright" content="(C) Copyright IBM Corporation 2004, 2006" />
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<meta name="DC.Rights.Owner" content="(C) Copyright IBM Corporation 2004, 2006" />
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<meta name="DC.Format" content="XHTML" />
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<meta name="DC.Identifier" content="usrlbl" />
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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>User label processing</title>
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</head>
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<body id="usrlbl"><a name="usrlbl"><!-- --></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">User label processing</h1>
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<div><p>Understand the basics of how user labels work.</p>
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<p>The system uses the USRLBLPGM parameter to specify the name of a program used to process user
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header and trailer labels. This parameter is not valid for save and restore
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functions.</p>
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<p>The system calls the program, which the USRLBLPGM parameter specifies,
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for open and close processing, to process every label. The system calls the
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program one additional time to tell the program that there are no more labels.</p>
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<p><a href="param2.htm#param2__rbahh525.eps">Figure 1</a> shows the format of
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a tape with user labels. At open, the system will call the user-label program
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three times for processing the labels in the diagram. Those calls are for
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UHL1, UHL2, and a final time to indicate completion. At close, the system
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will call the user-label program three more times.</p>
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<p>The system passes three variables to the program. The program variables
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have the following lengths:</p>
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<ul><li>Parameter 1: 80 characters</li>
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<li>Parameter 2: 1 character</li>
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<li>Parameter 3: 244 characters</li>
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</ul>
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</div>
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<div>
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<ul class="ullinks">
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<li class="ulchildlink"><strong><a href="param1.htm">Parameter 1</a></strong><br />
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Read this section to understand parameter 1 that is passed to the user label program.</li>
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<li class="ulchildlink"><strong><a href="param2.htm">Parameter 2</a></strong><br />
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Read this section to understand parameter 2 that is passed to the user label program.</li>
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<li class="ulchildlink"><strong><a href="param3.htm">Parameter 3</a></strong><br />
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Read this section to understand parameter 3 that is passed to the user label program.</li>
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</ul>
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<div class="familylinks">
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<div class="parentlink"><strong>Parent topic:</strong> <a href="usetfhll.htm" title="Understand the different processing types for tape device files used in high-level language.">Use tape device files in high-level language programs</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="tapkey.htm" title="Read this information to understand the parameters for the Create Tape File (CRTTAPF), Change Tape File (CHGTAPF), and Override with Tape File (OVRTAPF) commands.">Specify tape device file parameters</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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