194 lines
6.0 KiB
HTML
194 lines
6.0 KiB
HTML
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<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 3.2 Final//EN">
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<html>
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<head>
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<meta name="generator" content="HTML Tidy, see www.w3.org">
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<meta http-equiv="Content-Type" content=
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"text/html; charset=utf-8">
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<title>system - Run CL command</title>
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<LINK rel="stylesheet" type="text/css" href="../rzahg/ic.css">
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</HEAD>
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<body bgcolor="#FFFFFF">
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<!-- Java sync-link -->
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<SCRIPT LANGUAGE="Javascript" SRC="../rzahg/synch.js" TYPE="text/javascript"></SCRIPT>
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<h2>system - Run CL command</h2>
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<strong>Synopsis</strong>
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<p>
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<strong>system [-iKknpqsv]</strong> <em>CLcommand</em> [ <em>arg
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...</em> ]
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</p>
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<p><strong>Description</strong></p>
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<p>The <strong>system</strong> utility runs a CL command. Any spool file output
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generated by <em>CLcommand</em> is written to standard output. By
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default, the spool files are deleted after they are written and the
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job log of the job running <strong>system</strong> is deleted.</p>
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<p>Any messages generated by <em>CLcommand</em> are written to
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standard error. By default, all messages generated by <em>
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CLcommand</em> are written using the following format:</p>
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<pre>
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MsgId: Text
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</pre>
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<p>where "MsgId" is the seven character i5/OS<SUP>(TM)</SUP> message identifier
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(for example CPF0001) and "Text" is the text of the message.
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Use the <strong>-n</strong> option to not include the "MsgId" prefix.</p>
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<p>By default, <strong>system</strong> checks the number of threads
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running in the job. If there is more than one thread running, it
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starts a second job and runs <em>CLcommand</em> in the second job.
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Use the <strong>-i</strong> option to force <strong>system</strong> to always run
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<em>CLcommand</em> in the current job.
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</p>
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<p><strong>Options</strong></p>
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<dl>
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<dt><strong>-i</strong></dt>
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<dd>Always run <em>CLcommand</em> in the current job and set the exit status
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to the ILE return code of the program called by <em>CLcommand</em>. Note
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that some CL commands do not run in a multi-thread capable job or when there
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are multiple threads running in the job.
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</dd>
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<dt><strong>-K</strong></dt>
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<dd>Keep all spool files generated by <em>CLcommand</em> and the
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job log of the job running <strong>system</strong>. If this option is
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not specified, all spool files are deleted after they are written and
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the job log is deleted.</dd>
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<dt><strong>-k</strong></dt>
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<dd>Keep all spool files generated by <em>CLcommand</em>. If this option
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is not specified, all spool files are deleted after they are written.</dd>
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<dt><strong>-n</strong></dt>
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<dd>Do not include the message identifier when writing the messages
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to standard error. Only the message text of the messages are written
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to standard error. This option is ignored if the <strong>-q</strong>
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option is also specified.</dd>
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<dt><strong>-p</strong></dt>
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<dd>Only write the messages sent to the program's message
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queue by <em>CLcommand</em> to standard error. This option is ignored
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if the <strong>-q</strong> option is also specified.</dd>
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<dt><strong>-q</strong></dt>
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<dd>Do not write messages generated by <em>CLcommand</em> to
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standard error.</dd>
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<dt><strong>-s</strong></dt>
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<dd>Do not write spool files generated by <em>CLcommand</em> to
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standard output.</dd>
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<dt><strong>-v</strong></dt>
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<dd>Write the complete command string to standard output before running it.</dd>
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</dl>
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<p>
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Note that for compatibility with the PASE system utility, <strong>system</strong>
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does not return an error if the <strong>-b</strong>, <strong>-e</strong>,
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<strong>-E</strong>, <strong>-I</strong>, or <strong>-O</strong> options are
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specified, but the options are ignored.
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</p>
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<p><strong>Operands</strong></p>
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<p>Each <em>arg</em> is a parameter to <em>CLcommand</em>. You may need
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to enclose <em>CLcommand</em> and <em>args</em> in quotes to
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prevent <strong>qsh</strong> from expanding any special characters
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in them. Both CL and <strong>qsh</strong> use some of the same
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special characters, for example, the asterisk (*) character.</p>
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<p><strong>Environment Variables</strong></p>
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<p>The <strong>system</strong> utility is affected by the following
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environment variables:</p>
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<dl>
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<dt><strong>QIBM_SYSTEM_ALWMLTTHD</strong></dt>
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<dd>Set this environment variable to control how the <strong>
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system</strong> utility behaves in a multi-thread capable job. If
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the value of the variable is "N", <strong>system</strong> starts
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a new job to run the CL command when the current job is multi-thread
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capable even if there is only one thread running in the job. There is
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no default value.<p></dd>
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<dt><strong>QIBM_SYSTEM_USE_ILE_RC</strong></dt>
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<dd>Set this environment variable to control how the <strong>system</strong>
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utility sets the exit status. If the value of the variable is "Y",
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<strong>system</strong> sets the exit status to the ILE return code of the
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program called by <em>CLcommand</em>, or zero if the program did not set a
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return code. There is no default value. The environment variable is ignored
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if the <strong>-i</strong> option is specified.
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</dd>
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</dl>
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<p><strong>Exit Status</strong></p>
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<ul>
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<li>0 when <em>CLcommand</em> is successful</li>
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<li>>0 when <em>CLcommand</em> is unsuccessful or when set by the program
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called by <em>CLcommand</em></li>
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</ul>
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<p>
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When the <strong>-i</strong> option is specified or the environment variable
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QIBM_SYSTEM_USE_ILE_RC=Y is set, <strong>system</strong> sets the exit status
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to the ILE return code of the program called by <em>CLcommand</em>, or
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zero if the program did not set a return code.
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</p>
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<p><strong>Related Information</strong></p>
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<ul>
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<li><a href="../clfinder/finder.htm">CL command finder</a></li>
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<li><a href="../rzalc/pase_system.htm">system - Run a CL command for i5/OS<SUP>(TM)</SUP> PASE</a></li>
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</ul>
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<p><strong>Examples</strong></p>
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<ol>
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<li>List all of the active jobs:
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<pre>
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system wrkactjob
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</pre>
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</li>
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<li>Create a test library:
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<pre>
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system "CRTLIB LIB(TESTDATA) TYPE(*TEST)"
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</pre>
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</li>
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<li>Delete a library and do not write any messages:
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<pre>
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system -q "DLTLIB LIB(TESTDATA)"
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</pre>
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</li>
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</ol>
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</body>
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</html>
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