317 lines
22 KiB
HTML
317 lines
22 KiB
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<meta name="abstract" content="You can request to prompt for selected parameters within a command." />
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<title>Use selective prompting for CL commands</title>
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<body id="secpr"><a name="secpr"><!-- --></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">Use selective prompting for CL commands</h1>
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<div><p>You can request to prompt for selected parameters within a command.
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</p>
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<div class="section"> <p>This is especially helpful when you are using some of the longer
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commands and do not want to be prompted for certain parameters.</p>
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<p>Selective
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prompting can be used during interactive prompting or entered as source (in
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SEU) for use within a CL procedure or program. You can enter the source for
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selective prompting with SEU but you cannot use selective prompting while
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entering commands in SEU.</p>
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<p>You can use selective prompting to: </p>
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<ul><li>Select the parameters for which prompting is needed.</li>
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<li>Determine which parameters are protected.</li>
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<li>Omit parameters from the prompt.</li>
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</ul>
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<p>The following restrictions apply to selective prompting: </p>
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<ul><li>The command name or label must be preceded by a <samp class="codeph">?</samp> (question
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mark): <ul><li>When one or more of the selective prompt options is <samp class="codeph">?-</samp> (question
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mark, minus).</li>
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<li>To avoid getting a CPF6805 message (a message that indicates a diagnostic
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problem on the command although compilation is successful)</li>
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</ul>
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</li>
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<li>Parameters can be specified by position but they cannot be preceded by
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selective prompt characters.</li>
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<li>A parameter must be in keyword form to be selectively prompted for.</li>
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<li>Blanks cannot be entered between the selective prompt characters and the
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keyword.</li>
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<li>Selective prompting is only applicable at a parameter level; that is,
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you cannot specify particular keyword values within a list of values.</li>
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<li><samp class="codeph">?-</samp> is not allowed in prompt override programs.</li>
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<li>If a parameter is required, the <samp class="codeph">??</samp> selective prompt must
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be used. <p>You can tell that a parameter is required because the input slot
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is highlighted when the command is prompted.</p>
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</li>
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</ul>
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<p>User-specified values are marked with a special symbol (<strong>></strong>)
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in front of the values in both selective and regular prompting. If a user-specified
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value on the parameter prompt is not preceded by this symbol, the command
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default is passed to the command processing program.</p>
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<p>If PASSATR(*YES)
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is specified on the PARM, ELEM, or QUAL command definition statement, and
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the default value is changed using the <span class="cmdname">Change Command Definition
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(CHGCMDDFT)</span> command, the default value is shown as a user-specified
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value (using the > symbol) and not a default value. If a default value
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of a changed PARM, ELEM, or QUAL command definition statement is changed back
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to its original default value, the > symbol is removed.</p>
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<p>You can press
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F5 while you are using selective prompting to again display those values initially
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shown on the display.</p>
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<p>If a CL variable is used to specify a value for
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a parameter which is to be displayed through selective prompting, you can
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change the value on the prompt, and the changed value is used when the command
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is run. The value of the variable in the procedure or program is not changed.
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If a CL procedure contains the following: </p>
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<pre>OVRDBF ?*FILE(FILEA) ??TOFILE(&FILENAME) ??MBR(MBR1)</pre>
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<p>the three parameters, FILE, TOFILE, and MBR is shown on the
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prompt display. The value specified for the FILE parameter cannot be changed
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by you, but the values for the TOFILE and MBR parameters can be changed.
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Assume that the CL variable &FILENAME has a value of FILE1, and you change
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it to FILE2. When the command is run, the value of FILE2 is used, but the
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value of &FILENAME is not changed in the procedure. The following tables
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list the various selective prompting characters and the resulting action.</p>
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<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" width="100%" frame="border" border="1" rules="all"><thead align="left"><tr><th align="left" valign="bottom" width="25.954198473282442%" id="d0e132">You Enter</th>
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<th align="left" valign="bottom" width="18.3206106870229%" id="d0e134">Value Displayed</th>
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<th align="left" valign="bottom" width="18.3206106870229%" id="d0e136">Protected</th>
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<th align="left" valign="bottom" width="18.702290076335878%" id="d0e138">Value Passed to CPP if Nothing Specified</th>
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<th align="left" valign="bottom" width="18.702290076335878%" id="d0e140">Marked with > Symbol</th>
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</tr>
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</thead>
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<tbody><tr><td align="left" valign="top" width="25.954198473282442%" headers="d0e132 "><samp class="codeph">??KEYWORD()</samp></td>
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<td align="left" valign="top" width="18.3206106870229%" headers="d0e134 ">Default</td>
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<td align="left" valign="top" width="18.3206106870229%" headers="d0e136 ">No</td>
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<td align="left" valign="top" width="18.702290076335878%" headers="d0e138 ">Default</td>
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<td align="left" valign="top" width="18.702290076335878%" headers="d0e140 ">No</td>
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</tr>
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<tr><td align="left" valign="top" width="25.954198473282442%" headers="d0e132 "><samp class="codeph">??KEYWORD(VALUE)</samp></td>
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<td align="left" valign="top" width="18.3206106870229%" headers="d0e134 ">Value</td>
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<td align="left" valign="top" width="18.3206106870229%" headers="d0e136 ">No</td>
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<td align="left" valign="top" width="18.702290076335878%" headers="d0e138 ">Value</td>
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<td align="left" valign="top" width="18.702290076335878%" headers="d0e140 ">Yes</td>
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</tr>
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<tr><td align="left" valign="top" width="25.954198473282442%" headers="d0e132 "><samp class="codeph">?*KEYWORD()</samp></td>
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<td align="left" valign="top" width="18.3206106870229%" headers="d0e134 ">Default</td>
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<td align="left" valign="top" width="18.3206106870229%" headers="d0e136 ">Yes</td>
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<td align="left" valign="top" width="18.702290076335878%" headers="d0e138 ">Default</td>
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<td align="left" valign="top" width="18.702290076335878%" headers="d0e140 ">No</td>
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</tr>
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<tr><td align="left" valign="top" width="25.954198473282442%" headers="d0e132 "><samp class="codeph">?*KEYWORD(VALUE)</samp></td>
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<td align="left" valign="top" width="18.3206106870229%" headers="d0e134 ">Value</td>
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<td align="left" valign="top" width="18.3206106870229%" headers="d0e136 ">Yes</td>
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<td align="left" valign="top" width="18.702290076335878%" headers="d0e138 ">Value</td>
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<td align="left" valign="top" width="18.702290076335878%" headers="d0e140 ">Yes</td>
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</tr>
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<tr><td align="left" valign="top" width="25.954198473282442%" headers="d0e132 "><samp class="codeph">?<KEYWORD()</samp></td>
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<td align="left" valign="top" width="18.3206106870229%" headers="d0e134 ">Default</td>
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<td align="left" valign="top" width="18.3206106870229%" headers="d0e136 ">No</td>
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<td align="left" valign="top" width="18.702290076335878%" headers="d0e138 ">Default</td>
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<td align="left" valign="top" width="18.702290076335878%" headers="d0e140 ">No</td>
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</tr>
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<tr><td align="left" valign="top" width="25.954198473282442%" headers="d0e132 "><samp class="codeph">?<KEYWORD(VALUE)</samp></td>
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<td align="left" valign="top" width="18.3206106870229%" headers="d0e134 ">Value</td>
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<td align="left" valign="top" width="18.3206106870229%" headers="d0e136 ">No</td>
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<td align="left" valign="top" width="18.702290076335878%" headers="d0e138 ">Default</td>
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<td align="left" valign="top" width="18.702290076335878%" headers="d0e140 ">No</td>
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</tr>
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<tr><td align="left" valign="top" width="25.954198473282442%" headers="d0e132 "><samp class="codeph">?/KEYWORD()</samp></td>
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<td align="left" valign="top" width="18.3206106870229%" headers="d0e134 ">Default</td>
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<td align="left" valign="top" width="18.3206106870229%" headers="d0e136 ">Yes</td>
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<td align="left" valign="top" width="18.702290076335878%" headers="d0e138 ">Default</td>
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<td align="left" valign="top" width="18.702290076335878%" headers="d0e140 ">No</td>
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</tr>
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<tr><td align="left" valign="top" width="25.954198473282442%" headers="d0e132 "><samp class="codeph">?/KEYWORD(VALUE)</samp></td>
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<td align="left" valign="top" width="18.3206106870229%" headers="d0e134 ">Value</td>
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<td align="left" valign="top" width="18.3206106870229%" headers="d0e136 ">Yes</td>
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<td align="left" valign="top" width="18.702290076335878%" headers="d0e138 ">Default</td>
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<td align="left" valign="top" width="18.702290076335878%" headers="d0e140 ">No</td>
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</tr>
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<tr><td align="left" valign="top" width="25.954198473282442%" headers="d0e132 "><samp class="codeph">?-KEYWORD()</samp></td>
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<td align="left" valign="top" width="18.3206106870229%" headers="d0e134 ">None</td>
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<td align="left" valign="top" width="18.3206106870229%" headers="d0e136 ">N/A</td>
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<td align="left" valign="top" width="18.702290076335878%" headers="d0e138 ">Default</td>
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<td align="left" valign="top" width="18.702290076335878%" headers="d0e140 ">N/A</td>
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</tr>
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<tr><td align="left" valign="top" width="25.954198473282442%" headers="d0e132 "><samp class="codeph">?-KEYWORD(VALUE)</samp></td>
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<td align="left" valign="top" width="18.3206106870229%" headers="d0e134 ">None</td>
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<td align="left" valign="top" width="18.3206106870229%" headers="d0e136 ">N/A</td>
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<td align="left" valign="top" width="18.702290076335878%" headers="d0e138 ">Value</td>
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<td align="left" valign="top" width="18.702290076335878%" headers="d0e140 ">N/A</td>
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</tr>
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<tr><td align="left" valign="top" width="25.954198473282442%" headers="d0e132 "><samp class="codeph">?&KEYWORD()</samp></td>
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<td align="left" valign="top" width="18.3206106870229%" headers="d0e134 ">Default</td>
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<td align="left" valign="top" width="18.3206106870229%" headers="d0e136 ">No</td>
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<td align="left" valign="top" width="18.702290076335878%" headers="d0e138 ">Default</td>
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<td align="left" valign="top" width="18.702290076335878%" headers="d0e140 ">No</td>
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</tr>
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<tr><td align="left" valign="top" width="25.954198473282442%" headers="d0e132 "><samp class="codeph">?&KEYWORD(VALUE)</samp></td>
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<td align="left" valign="top" width="18.3206106870229%" headers="d0e134 ">Value</td>
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<td align="left" valign="top" width="18.3206106870229%" headers="d0e136 ">No</td>
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<td align="left" valign="top" width="18.702290076335878%" headers="d0e138 ">Default</td>
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<td align="left" valign="top" width="18.702290076335878%" headers="d0e140 ">No</td>
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</tr>
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<tr><td align="left" valign="top" width="25.954198473282442%" headers="d0e132 "><samp class="codeph">?%KEYWORD()</samp></td>
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<td align="left" valign="top" width="18.3206106870229%" headers="d0e134 ">Default</td>
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<td align="left" valign="top" width="18.3206106870229%" headers="d0e136 ">Yes</td>
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<td align="left" valign="top" width="18.702290076335878%" headers="d0e138 ">Default</td>
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<td align="left" valign="top" width="18.702290076335878%" headers="d0e140 ">No</td>
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</tr>
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<tr><td align="left" valign="top" width="25.954198473282442%" headers="d0e132 "><samp class="codeph">?%KEYWORD(VALUE)</samp></td>
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<td align="left" valign="top" width="18.3206106870229%" headers="d0e134 ">Value</td>
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<td align="left" valign="top" width="18.3206106870229%" headers="d0e136 ">Yes</td>
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<td align="left" valign="top" width="18.702290076335878%" headers="d0e138 ">Default</td>
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<td align="left" valign="top" width="18.702290076335878%" headers="d0e140 ">No</td>
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</tr>
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</tbody>
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</table>
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</div>
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<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" width="100%" frame="border" border="1" rules="all"><thead align="left"><tr><th align="left" valign="bottom" width="28.51851851851852%" id="d0e318">You Enter</th>
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<th align="left" valign="bottom" width="36.851851851851855%" id="d0e320">Display Value When F5 Pressed or Blanked
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Out</th>
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<th align="left" valign="bottom" width="34.629629629629626%" id="d0e322">Description</th>
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</tr>
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</thead>
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<tbody><tr><td align="left" valign="top" width="28.51851851851852%" headers="d0e318 "><samp class="codeph">??KEYWORD()</samp></td>
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<td align="left" valign="top" width="36.851851851851855%" headers="d0e320 ">Default</td>
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<td align="left" valign="top" width="34.629629629629626%" headers="d0e322 ">Normal keyword prompt with command default.</td>
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</tr>
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<tr><td align="left" valign="top" width="28.51851851851852%" headers="d0e318 "><samp class="codeph">??KEYWORD(VALUE)</samp></td>
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<td align="left" valign="top" width="36.851851851851855%" headers="d0e320 ">Value</td>
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<td align="left" valign="top" width="34.629629629629626%" headers="d0e322 ">Normal keyword prompt with program specified
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default.</td>
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</tr>
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<tr><td align="left" valign="top" width="28.51851851851852%" headers="d0e318 "><samp class="codeph">?*KEYWORD()</samp></td>
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<td align="left" valign="top" width="36.851851851851855%" headers="d0e320 ">Default</td>
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<td align="left" valign="top" width="34.629629629629626%" headers="d0e322 ">Show protected prompt (as information) where
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command default is the only value used.</td>
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</tr>
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<tr><td align="left" valign="top" width="28.51851851851852%" headers="d0e318 "><samp class="codeph">?*KEYWORD(VALUE)</samp></td>
|
|||
|
|
<td align="left" valign="top" width="36.851851851851855%" headers="d0e320 ">Value</td>
|
|||
|
|
<td align="left" valign="top" width="34.629629629629626%" headers="d0e322 ">Show protected prompt (as information) where
|
|||
|
|
program specified value is the only value used. For example, when a value
|
|||
|
|
should be shown as information but not changed.</td>
|
|||
|
|
</tr>
|
|||
|
|
<tr><td align="left" valign="top" width="28.51851851851852%" headers="d0e318 "><samp class="codeph">?<KEYWORD()</samp></td>
|
|||
|
|
<td align="left" valign="top" width="36.851851851851855%" headers="d0e320 ">Default</td>
|
|||
|
|
<td align="left" valign="top" width="34.629629629629626%" headers="d0e322 ">Normal keyword prompt with command default.</td>
|
|||
|
|
</tr>
|
|||
|
|
<tr><td align="left" valign="top" width="28.51851851851852%" headers="d0e318 "><samp class="codeph">?<KEYWORD(VALUE)</samp></td>
|
|||
|
|
<td align="left" valign="top" width="36.851851851851855%" headers="d0e320 ">Value</td>
|
|||
|
|
<td align="left" valign="top" width="34.629629629629626%" headers="d0e322 ">Normal keyword prompt with program specified
|
|||
|
|
default.</td>
|
|||
|
|
</tr>
|
|||
|
|
<tr><td align="left" valign="top" width="28.51851851851852%" headers="d0e318 "><samp class="codeph">?/KEYWORD()</samp></td>
|
|||
|
|
<td align="left" valign="top" width="36.851851851851855%" headers="d0e320 ">Default</td>
|
|||
|
|
<td align="left" valign="top" width="34.629629629629626%" headers="d0e322 ">Reserved for IBM<sup>®</sup> use.</td>
|
|||
|
|
</tr>
|
|||
|
|
<tr><td align="left" valign="top" width="28.51851851851852%" headers="d0e318 "><samp class="codeph">?/KEYWORD(VALUE)</samp></td>
|
|||
|
|
<td align="left" valign="top" width="36.851851851851855%" headers="d0e320 ">Value</td>
|
|||
|
|
<td align="left" valign="top" width="34.629629629629626%" headers="d0e322 ">Reserved for IBM use.</td>
|
|||
|
|
</tr>
|
|||
|
|
<tr><td align="left" valign="top" width="28.51851851851852%" headers="d0e318 "><samp class="codeph">?&KEYWORD()</samp></td>
|
|||
|
|
<td align="left" valign="top" width="36.851851851851855%" headers="d0e320 ">Default</td>
|
|||
|
|
<td align="left" valign="top" width="34.629629629629626%" headers="d0e322 ">Normal keyword prompt with command default.</td>
|
|||
|
|
</tr>
|
|||
|
|
<tr><td align="left" valign="top" width="28.51851851851852%" headers="d0e318 "><samp class="codeph">?&KEYWORD(VALUE)</samp></td>
|
|||
|
|
<td align="left" valign="top" width="36.851851851851855%" headers="d0e320 ">Value</td>
|
|||
|
|
<td align="left" valign="top" width="34.629629629629626%" headers="d0e322 ">Normal keyword prompt with program specified
|
|||
|
|
default.</td>
|
|||
|
|
</tr>
|
|||
|
|
<tr><td align="left" valign="top" width="28.51851851851852%" headers="d0e318 "><samp class="codeph">?%KEYWORD()</samp></td>
|
|||
|
|
<td align="left" valign="top" width="36.851851851851855%" headers="d0e320 ">Default</td>
|
|||
|
|
<td align="left" valign="top" width="34.629629629629626%" headers="d0e322 ">Show protected prompt (as information) where
|
|||
|
|
command default is the only value used.</td>
|
|||
|
|
</tr>
|
|||
|
|
<tr><td align="left" valign="top" width="28.51851851851852%" headers="d0e318 "><samp class="codeph">?%KEYWORD(VALUE)</samp></td>
|
|||
|
|
<td align="left" valign="top" width="36.851851851851855%" headers="d0e320 ">Value</td>
|
|||
|
|
<td align="left" valign="top" width="34.629629629629626%" headers="d0e322 ">Show protected prompt (as information) where
|
|||
|
|
program specified value is the only value used. For example, when a value
|
|||
|
|
should be shown as information but not changed.</td>
|
|||
|
|
</tr>
|
|||
|
|
</tbody>
|
|||
|
|
</table>
|
|||
|
|
</div>
|
|||
|
|
<p>Selective prompting can be used with the QCMDEXC or QCMDCHK program.
|
|||
|
|
The format of the call is: </p>
|
|||
|
|
<pre>CALL PGM(QCMDEXC or QCMDCHK) PARM(command command-length)</pre>
|
|||
|
|
<p>Following is a brief description of the selective prompting
|
|||
|
|
characters:</p>
|
|||
|
|
|
|||
|
|
<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" width="100%" frame="border" border="1" rules="all"><thead align="left"><tr><th align="left" valign="bottom" width="38.7037037037037%" id="d0e439">Selective Prompting Character</th>
|
|||
|
|
<th align="left" valign="bottom" width="61.29629629629629%" id="d0e441">Description</th>
|
|||
|
|
</tr>
|
|||
|
|
</thead>
|
|||
|
|
<tbody><tr><td align="left" valign="top" width="38.7037037037037%" headers="d0e439 "><samp class="codeph">??</samp></td>
|
|||
|
|
<td align="left" valign="top" width="61.29629629629629%" headers="d0e441 ">The parameter is displayed and input-capable.</td>
|
|||
|
|
</tr>
|
|||
|
|
<tr><td align="left" valign="top" width="38.7037037037037%" headers="d0e439 "><samp class="codeph">?*</samp></td>
|
|||
|
|
<td align="left" valign="top" width="61.29629629629629%" headers="d0e441 ">The parameter is displayed but is not input-capable.
|
|||
|
|
Any user-specified value is passed to the command processing program.</td>
|
|||
|
|
</tr>
|
|||
|
|
<tr><td align="left" valign="top" width="38.7037037037037%" headers="d0e439 "><samp class="codeph">?<</samp></td>
|
|||
|
|
<td align="left" valign="top" width="61.29629629629629%" headers="d0e441 ">The parameter is displayed and is input-capable,
|
|||
|
|
but the command default is sent to the CPP unless the value displayed on the
|
|||
|
|
parameter is changed.</td>
|
|||
|
|
</tr>
|
|||
|
|
<tr><td align="left" valign="top" width="38.7037037037037%" headers="d0e439 "><samp class="codeph">?/</samp></td>
|
|||
|
|
<td align="left" valign="top" width="61.29629629629629%" headers="d0e441 ">Reserved for IBM use.</td>
|
|||
|
|
</tr>
|
|||
|
|
<tr><td align="left" valign="top" width="38.7037037037037%" headers="d0e439 "><samp class="codeph">?–</samp></td>
|
|||
|
|
<td align="left" valign="top" width="61.29629629629629%" headers="d0e441 ">The parameter is not displayed. The specified
|
|||
|
|
value (or default) is passed to the CPP. Not allowed in prompt override programs.</td>
|
|||
|
|
</tr>
|
|||
|
|
<tr><td align="left" valign="top" width="38.7037037037037%" headers="d0e439 "><samp class="codeph">?&</samp></td>
|
|||
|
|
<td align="left" valign="top" width="61.29629629629629%" headers="d0e441 ">The parameter is not displayed until F9=All
|
|||
|
|
parameters is pressed. Once displayed, it is input-capable. The command default
|
|||
|
|
is sent to the CPP unless the value displayed on the parameter is changed.</td>
|
|||
|
|
</tr>
|
|||
|
|
<tr><td align="left" valign="top" width="38.7037037037037%" headers="d0e439 "><samp class="codeph">?%</samp></td>
|
|||
|
|
<td align="left" valign="top" width="61.29629629629629%" headers="d0e441 ">The parameter is not displayed until F9=All
|
|||
|
|
parameters is pressed. Once displayed, it is not input-capable. The command
|
|||
|
|
default is sent to the CPP.</td>
|
|||
|
|
</tr>
|
|||
|
|
</tbody>
|
|||
|
|
</table>
|
|||
|
|
</div>
|
|||
|
|
</div>
|
|||
|
|
</div>
|
|||
|
|
<div>
|
|||
|
|
<div class="familylinks">
|
|||
|
|
<div class="parentlink"><strong>Parent topic:</strong> <a href="allow.htm" title="You can prompt the workstation user for input to a CL procedure or program.">Prompt for user input at runtime</a></div>
|
|||
|
|
</div>
|
|||
|
|
<div class="relconcepts"><strong>Related concepts</strong><br />
|
|||
|
|
<div><a href="passinfo.htm" title="Based on the values passed, the prompt override program retrieves the current values for the parameters that are not key parameters.">Information returned from the prompt override program</a></div>
|
|||
|
|
</div>
|
|||
|
|
<div class="reltasks"><strong>Related tasks</strong><br />
|
|||
|
|
<div><a href="execp.htm" title="Execute Command (QCMDEXC) is an IBM-supplied program that runs a single command.">QCMDEXC program</a></div>
|
|||
|
|
<div><a href="chckp.htm" title="QCMDCHK is an IBM-supplied program that performs syntax checking for a single command, and optionally prompts for the command.">QCMDCHK program</a></div>
|
|||
|
|
</div>
|
|||
|
|
</div>
|
|||
|
|
</body>
|
|||
|
|
</html>
|