The MFSGEN preprocessor is available only in 
               		Micro Focus COBOL development systems. It enables you to make changes to MFS source using a COBOL program.
               	 
            
            	 
            
               		
               		  
               - Invocation
                  		  
               
- Invoked during MFS generation by specifying:
                  			 mfims mfsgen filename.mfs PREPROCESS(exitname) where 
                  			 filename is the name of an MFS file, and 
                  			 exitname is the name of a COBOL program.
- Example
                  		  
               
- Enterprise Developer provides a sample MFSGEN Preprocessor exit, 
                  			 MFSPREPR.cbl, which is located by default in your 
                  			  
                  				   
                  					 %PUBLIC%\Documents\Micro Focus\Enterprise Developer\Samples\Mainframe\IMS\Classic\Examples 
                  				   
                  					  (Windows) or 
                  			  
                  					  
                  		  $COBDIR/demo/ims/examples 
                  					  
                  					  (UNIX) 
                  				 directory.