Create ABAP code on the fly

Sometimes, you want to create ABAP code but do not necessarily want to keep it. Here's how you do it:

Execute the program and type a title (for the program) and routine name (without spaces) and execute. When the editor comes up, type in your code and click save.

report zexecprg no standard page heading.           
parameters: titel(80).                              
parameters: routine(32).                                                                     
data: program(8).                                   
data: lines(72) occurs 0 with header line.          
data: mezzage(128).                                 
data: line_no  type i.                              
data: length   type i.                              
data: startpos type i.                              
editor-call for lines.                              

lines = 'report zreport.'.                                     
insert lines index 1.                                          
concatenate 'form' routine '.' into lines separated by space.  
insert lines index 2.                                          
append 'endform.' to lines.                                    
generate subroutine pool lines                                 
         name    program                                       

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message mezzage line line_no. if sy-subrc is initial. set pf-status 'ZEXY'. startpos = ( sy-scols - strlen( titel ) ) / 2. write at (startpos) titel. perform (routine) in program (program). else. write:/ mezzage. endif.

This was first published in March 2002

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