79 lines
4.9 KiB
HTML
79 lines
4.9 KiB
HTML
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<meta name="DC.Title" content="Parameter values" />
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<title>Parameter values</title>
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</head>
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<body id="rbam6parmvalues"><a name="rbam6parmvalues"><!-- --></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">Parameter values</h1>
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<div><p>A parameter value is user-supplied information used during the
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running of a command. </p>
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<div class="section"><p>An individual value can be specified in a constant value, a variable
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name, an expression, or a list of values. A parameter can specify one or a
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group of such values, depending on the parameter's definition in a command.
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If a group of values is specified, the parameter is called a <em>list parameter</em> because
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it can contain a list of values.</p>
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<p>On commands with key and positional
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parameters, values can be specified in keyword form, positional form, or a
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combination of both forms. Parameter values must be enclosed in parentheses
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if any of the following conditions are true:</p>
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<ul><li>A keyword precedes the value.</li>
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<li>The value is an expression.</li>
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<li>A list of values is specified. <div class="note"><span class="notetitle">Note:</span> If only one value is specified
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for a list, no parentheses are required.</div>
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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>
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<ul class="ullinks">
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<li class="ulchildlink"><strong><a href="rbam6constvalues.htm">Constant value</a></strong><br />
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A constant value is the actual value. The types of constants are character string (includes names, date and hexadecimal values), decimal, and logical.</li>
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<li class="ulchildlink"><strong><a href="rbam6variables.htm">Variable name</a></strong><br />
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A variable contains a data value that can be changed when a program is run. A variable name is the name of the variable containing the value.</li>
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<li class="ulchildlink"><strong><a href="rbam6express.htm">Expressions</a></strong><br />
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An expression is the value used as the result of evaluating an expression.</li>
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<li class="ulchildlink"><strong><a href="rbam6vallsts.htm">List of values</a></strong><br />
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A list of values is one or more values that can be specified for a parameter.</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="parameters.htm" title="A parameter is a value that is passed to a command or program to provide user input or control the actions of the command or program.">Parameters</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="rbam6gencodrulessum.htm" title="This section contains a summary of general information needed to properly code CL commands.">Command coding rules</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="rbam6parms.htm" title="Most CL commands have one or more parameters that specify the objects and values used to run the commands.">Command parameters</a></div>
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</div>
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