77 lines
5.4 KiB
HTML
77 lines
5.4 KiB
HTML
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<!DOCTYPE html
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<meta name="DC.Type" content="concept" />
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<meta name="DC.Title" content="Command definition process" />
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<meta name="abstract" content="This shows how a command is created." />
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<meta name="description" content="This shows how a command is created." />
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<meta name="DC.subject" content="control language (CL), command, command, CL, defining, description, definition, CRTCMD (Create Command) command, CL program, Create Command (CRTCMD) command, creating, steps" />
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<meta name="copyright" content="(C) Copyright IBM Corporation 1998, 2006" />
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<title>Command definition process</title>
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</head>
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<body id="ovhdc"><a name="ovhdc"><!-- --></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">Command definition process</h1>
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<div><p>This shows how a command is created.</p>
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<p>The following illustration shows the steps to create a command. The text
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that follows the illustration describes each step.</p>
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<br /><img src="rbafn543.gif" alt="This illustration shows the steps to create a command." /><br /><p>Writing your own validity checking and prompt override programs are optional
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steps.</p>
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<p>The command definition statements contain the information that is necessary
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to prompt the workstation user for input, to validate that input, and to define
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the values to be passed to the program that is called when the command is
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run.</p>
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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="comcrtcmd.htm">Create Command (CRTCMD) command</a></strong><br />
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The <span class="cmdname">Create Command (CRTCMD)</span> command processes
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the command definition statements to create the command definition object. </li>
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<li class="ulchildlink"><strong><a href="comdefobj.htm">Command definition object</a></strong><br />
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The command definition object is the object that is checked by a system program to ensure that the command is valid and that the correct parameters were entered.</li>
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<li class="ulchildlink"><strong><a href="valid.htm">Validity checking</a></strong><br />
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The system performs validity checking on commands. You may also write your own validity checking program although it is not required.</li>
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<li class="ulchildlink"><strong><a href="comprover.htm">Prompt override program</a></strong><br />
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You can write prompt override programs to supply current values for parameter defaults when prompting the command.</li>
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<li class="ulchildlink"><strong><a href="comprocesspgm.htm">Command processing program</a></strong><br />
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The command processing program (CPP) is the program that the command analyzer calls to perform the function requested.</li>
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<li class="ulchildlink"><strong><a href="comexitiasp.htm">Command exit programs and independent ASPs</a></strong><br />
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Command exit programs needed by a command cannot be in a different independent auxiliary storage pool (ASP).</li>
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<li class="ulchildlink"><strong><a href="comauth.htm">Authority needed for defining commands</a></strong><br />
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When creating a command, you need certain authorities to programs and libraries.</li>
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<li class="ulchildlink"><strong><a href="crtcmdex.htm">Example: Create a command</a></strong><br />
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This example shows how to create a command to allow the system operator to call a program to start the system.</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="defcm.htm" title="This describes how you can define and create your own commands.">Define commands</a></div>
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</div>
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</div>
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