Using a Data Area in CMD Statements -- RPG400-L

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Does anyone have any good examples of how to prompt/retrieve/update data areas 
using command parameters?

ie....

                           Parameter Definition (PARM)                          
                                                                                
 Type choices, press Enter.                                                     
                                                                                
 Single values:                   SNGVAL                                        
   From value . . . . . . . . . .                                               
                                                                                
   To replacement value . . . . .                                               
                                                                                
                           + for more values                                    
 Minimum values required  . . . . MIN          > 1                              
 Maximum values allowed . . . . . MAX            1                              
 Allow unprintable characters . . ALWUNPRT       *YES                           
 Allow variable names . . . . . . ALWVAR         *YES                           
 Is PARM a program name . . . . . PGM            *NO                            
 Is PARM a data area name . . . . DTAARA         *YES                           
 
 If a file parameter, how used  . FILE           *NO                            
 Full field required  . . . . . . FULL           *NO                            
 Value an expression  . . . . . . EXPR           *NO                            
                                                                                
                                                                        More... 
 F3=Exit   F4=Prompt   F5=Refresh   F12=Cancel   F13=How to use this display    
 F24=More keys     

Thanks,

Ted J. Barry
Programmer/Analyst
Central Contra Costa Sanitary District
5019 Imhoff Place
Martinez, CA 94553-4392
(925) 229-7389
(925) 676-7211 fax
tbarry@centralsan.dst.ca.us
http://www.centralsan.org

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