GTF trace: Code 2

/*  REXX  */          
parse arg input                                                                 
                                                                                
"del 'user01.gtfsvc.csv'"                    /* Delete and reallocate output file  */
"alloc fi(csvout) da('user01.gtfsvc.csv') unit(sysda) space(15 15)",
      "track new catalog lrecl(60) blksize(18000) recfm(f b) release"                                                                                
csvout.1 = "SVC,Job Name,PSW,TCB"            /*  Write column headers  */
"execio 1 diskw csvout (stem csvout."                                           
                                                                                
"EXECIO 1 DISKR gtfin (stem gtfin."          /*  Top of input loop  */
do while(rc = 0)                                                                
   if index(gtfin.1, 'SVC.....') > 0 then,   /*  Beginning of an entry */                                     
      do                                                                        
         firstWord = 2                                                          
         if word(gtfin.1, 1) = '1' then,     /*  Deal with page ejects */   
            do                                                                  
               firstWord = 3                                                    
            end                                                                 
         svc = word(gtfin.1, firstWord)      /*  Get SVC, job name and PSW  */
         jobname = word(gtfin.1, firstWord+6)                                   
         psw = word(gtfin.1, firstWord + 8) || ' ' || word(gtfin.1, firstWord+9)
         "EXECIO 1 DISKR gtfin (stem gtfin." /*  Get next line for TCB address  */                                    
         if word(gtfin.1, 1) = '1' then,     /*  Again with the page ejects?  */                                        
            do                                                                  
               tcb = word(gtfin.1, 3)                                           
            end                                                                 
         else,                                                                  
            do                                                                  
               tcb = word(gtfin.1, 2)                                           
            end                                                                 
         csvout.1 = svc || ',' || jobname || ',' || psw || ',' tcb              
         "execio 1 diskw csvout (stem csvout." /*  Build and write output  */
      end                                                                       
   "EXECIO 1 DISKR gtfin (stem gtfin."         /*  Get next line  */
end                                                                             
                                                                                
queue                                          /*  It's all over, go home  */
address tso                                                                     
"execio * diskr gtfin (finis)"                                                  
"execio * diskW csvout (finis)"                                                 
"free fi(csvout)"