88 lines
5.6 KiB
HTML
88 lines
5.6 KiB
HTML
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<meta name="DC.Title" content="Define a mixed list" />
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<meta name="abstract" content="A mixed list accepts a set of separately defined values." />
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<title>Define a mixed list</title>
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<body id="dmlst"><a name="dmlst"><!-- --></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">Define a mixed list</h1>
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<div><p>A mixed list accepts a set of separately defined values.</p>
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<div class="section"> <p> These values usually have different meanings, are of different
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types, and are in a fixed position in the list. For example, <samp class="codeph">LOG(4
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0 *SECLVL)</samp> could specify a mixed list. The first value, <samp class="codeph">4</samp>,
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identifies the message level to be logged; the second value, <samp class="codeph">0</samp>,
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is the lowest message severity to be logged. The third value, <samp class="codeph">*SECLVL</samp>,
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specifies the amount of information to be logged (both first- and second-level
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messages). If a parameter's value is a mixed list, the elements of the list
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must be defined separately using an Element (ELEM) statement for each element.</p>
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<p>The
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TYPE parameter on the associated PARM statement must have a label that refers
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to the first ELEM statement for the list. </p>
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<pre> PARM KWD(LOG) TYPE(LOGLST) ...
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LOGLST: ELEM TYPE(*INT2) ...
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ELEM TYPE(*INT2) ...
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ELEM TYPE(*CHAR) LEN(7)</pre>
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<p>The first ELEM statement is the only ELEM statement that can
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have a label. Specify the ELEM statements in the order in which the elements
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occur in the list.</p>
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<p>Note that when the MAX parameter has a value greater
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than 1 on the PARM statement, and the TYPE parameter refers to ELEM statements,
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the parameter being defined is a list within a list.</p>
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<p>Parameters that
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you can specify on the ELEM statement include TYPE, LEN, CONSTANT, RSTD, DFT,
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VALUES, REL, RANGE, SPCVAL, SNGVAL, MIN, MAX, ALWUNPRT, ALWVAR, PGM, DTAARA,
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FILE, FULL, EXPR, VARY, PASSATR, CHOICE, CHOICEPGM, and PROMPT.</p>
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<p>In the
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following example, a parameter CMPVAL is defined for which the display station
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user can specify a comparison value and a starting position for the comparison
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(a mixed list). </p>
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<pre> PARM KWD(CMPVAL) TYPE(CMP) SNGVAL(*ANY) DFT(*ANY) +
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MIN(0)
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CMP: ELEM TYPE(*CHAR) LEN(80) MIN(1)
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ELEM TYPE(*DEC) LEN(2 0) RANGE(1 80) DFT(1)</pre>
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<p>When the elements in a mixed list are passed to
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the command processing program, the format varies depending on whether you
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are using CL or HLL, or REXX.</p>
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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="defmlclhll.htm">Use CL or HLL for mixed lists</a></strong><br />
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This describes the format in which elements in a mixed list are passed when a command is run using CL or a high-level language.</li>
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<li class="ulchildlink"><strong><a href="mlrx.htm">Use REXX for mixed lists</a></strong><br />
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This describes the format in which elements in a mixed list are passed when a command is run using REXX.</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="dflst.htm" title="You can define a parameter to accept a list of values instead of just a single value.">Define lists for 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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