168 lines
8.8 KiB
HTML
168 lines
8.8 KiB
HTML
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<meta name="DC.Title" content="Use the i5/OS prompter within a CL procedure or program" />
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<meta name="abstract" content="You can request prompting within the interactive processing of a CL procedure or program." />
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<meta name="description" content="You can request prompting within the interactive processing of a CL procedure or program." />
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<meta name="DC.subject" content="prompting, in CL procedure, using, QCMDEXC program, call prompter, program, QCMDEXC, prompter, End Program (ENDPGM) command, example, ENDPGM (End Program) command" />
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<title>Use the i5/OS prompter
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within a CL procedure or program</title>
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</head>
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<body id="prmpt"><a name="prmpt"><!-- --></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 the i5/OS™ prompter
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within a CL procedure or program</h1>
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<div><p>You can request prompting within the interactive processing of
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a CL procedure or program.</p>
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<div class="section"> <p>For example, the following procedure can be compiled and run:
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</p>
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<pre>PGM
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.
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.
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.
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?DSPLIB
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.
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.
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.
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ENDPGM</pre>
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<p>In this case, the prompt for the <span class="cmdname">Display Library (DSPLIB)</span> command
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appears on the display during processing of the program. Processing of the <span class="cmdname">Display
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Library (DSPLIB)</span> command waits until you have entered values for
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required parameters and pressed the Enter key.</p>
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<p>Any values specified
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in the source procedure cannot be changed directly by the operator (or user).
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For example: </p>
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<pre>PGM
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.
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.
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.
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?SNDMSG TOMSGQ(WS01 WS02)
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.
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.
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.
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ENDPGM</pre>
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<p>When the procedure is called and the prompt for the <span class="cmdname">Send
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Message (SNDMSG)</span> command appears, the operator (or user) can enter
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values on the MSG, MSGTYPE, and RPYMSGQ parameters, but cannot alter the values
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on the TOMSGQ parameter. For example, the operator (or user) cannot add WS03
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or delete WS02. The following restrictions apply to the use of the prompter
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within a CL procedure at run time: </p>
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<ul><li>When the prompter is called from a CL procedure or program, you cannot
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enter a variable name or an expression for a parameter value on the prompt.</li>
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<li>Prompting cannot be requested on a command embedded on an IF, ELSE, or
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MONMSG command: <pre>Correct Incorrect
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IF (&A=5) THEN(DO) IF (&A=5) THEN(?SNDMSG)
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?SNDMSG
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ENDDO</pre>
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</li>
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<li>Prompting <em>cannot</em> be used for the following commands at run time:
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<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" width="90%" frame="void" border="0" rules="none"><tbody><tr><td valign="top" width="25%"><strong>CALL</strong></td>
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<td valign="top" width="25%"><strong>CALLPRC</strong></td>
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<td valign="top" width="25%"><strong><img src="./delta.gif" alt="Start of change" />CALLSUBR<img src="./deltaend.gif" alt="End of change" /></strong></td>
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<td valign="top" width="25%"><strong>CHGVAR</strong></td>
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</tr>
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<tr><td valign="top" width="25%"><strong>COPYRIGHT</strong></td>
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<td valign="top" width="25%"><strong>DCL</strong></td>
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<td valign="top" width="25%"><strong>DCLF</strong></td>
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<td valign="top" width="25%"><strong><img src="./delta.gif" alt="Start of change" />DCLR<img src="./deltaend.gif" alt="End of change" /></strong></td>
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</tr>
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<tr><td valign="top" width="25%"><strong>DO</strong></td>
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<td valign="top" width="25%"><strong>DOFOR</strong></td>
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<td valign="top" width="25%"><strong>DOUNTIL</strong></td>
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<td valign="top" width="25%"><strong>DOWHILE</strong></td>
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</tr>
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<tr><td valign="top" width="25%"><strong>ELSE</strong></td>
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<td valign="top" width="25%"><strong>ENDDO</strong></td>
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<td valign="top" width="25%"><strong>ENDPGM</strong></td>
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<td valign="top" width="25%"><strong>ENDRCV</strong></td>
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</tr>
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<tr><td valign="top" width="25%"><strong>ENDSELECT</strong></td>
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<td valign="top" width="25%"><strong><img src="./delta.gif" alt="Start of change" />ENDSUBR<img src="./deltaend.gif" alt="End of change" /></strong></td>
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<td valign="top" width="25%"><strong>GOTO</strong></td>
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<td valign="top" width="25%"><strong>IF</strong></td>
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</tr>
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<tr><td valign="top" width="25%"><strong>ITERATE</strong></td>
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<td valign="top" width="25%"><strong>LEAVE</strong></td>
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<td valign="top" width="25%"><strong>MONMSG</strong></td>
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<td valign="top" width="25%"><strong>OTHERWISE</strong></td>
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</tr>
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<tr><td valign="top" width="25%"><strong>PGM</strong></td>
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<td valign="top" width="25%"><strong>RCVF</strong></td>
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<td valign="top" width="25%"><strong>RETURN</strong></td>
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<td valign="top" width="25%"><strong><img src="./delta.gif" alt="Start of change" />RTNSUBR<img src="./deltaend.gif" alt="End of change" /></strong></td>
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</tr>
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<tr><td valign="top" width="25%"><strong>SELECT</strong></td>
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<td valign="top" width="25%"><strong>SNDF</strong></td>
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<td valign="top" width="25%"><strong>SNDRCVF</strong></td>
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<td valign="top" width="25%"><strong><img src="./delta.gif" alt="Start of change" />SUBR<img src="./deltaend.gif" alt="End of change" /></strong></td>
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</tr>
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<tr><td valign="top" width="25%"><strong>WAIT</strong></td>
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<td valign="top" width="25%"><strong>WHEN</strong></td>
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<td valign="top" width="25%"> </td>
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<td valign="top" width="25%"> </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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</li>
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<li>Prompting cannot be used in batch jobs.</li>
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</ul>
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<p>When you enter a prompting request (?) on a command in a CL source
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file member, you may receive a diagnostic message on the command and still
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have a successful compilation. In this case, you must examine the messages
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carefully to see that the errors can be corrected by values entered through
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the prompt display when the procedure or program runs.</p>
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<p>You can prompt
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for all commands you are authorized to in any mode while in an interactive
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environment except for the previously listed commands, which cannot be prompted
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for during processing of a CL procedure or program. This allows you to prompt
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for any command while at a workstation and reduces the need to refer to the
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manuals that describe the various commands and their parameters.</p>
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<p>If
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you press F3 or F12 to cancel the prompted command while running that command,
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an escape message (CPF6801) is sent to the CL procedure or program. You can
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monitor for this message using the <span class="cmdname">Monitor Message (MONMSG)</span> command
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in the CL procedure or program.</p>
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<p>When you prompt for a command, your
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procedure or program does not receive the command string you entered. To
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achieve this, prompt using QCMDCHK, then run the command using QCMDEXC. You
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can also use QCAPCMD to prompt and run the command.</p>
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</div>
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</div>
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<div>
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<div class="familylinks">
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<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>
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</div>
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<div class="reltasks"><strong>Related tasks</strong><br />
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<div><a href="qcaex.htm" title="The QCMDEXC program may be used to call the prompter.">Use QCMDEXC with prompting in CL procedures and programs</a></div>
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</div>
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<div class="relinfo"><strong>Related information</strong><br />
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<div><a href="../clfinder/finder.htm">CL command finder</a></div>
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</div>
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</div>
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</body>
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