Hi Charles,
 
if I well understand your question, the following is a solution:
 
//*-------------------------------------------------------------
//ST002    EXEC  PGM=SORT                                       
//SYSOUT    DD   SYSOUT=*                                       
//SORTIN   DD *                                                 
....+....1....+....2....+....3....+....4....+....5$$$$$$$$      
....+....1....+...$2....+....3....+....4....+....5              
....+....1....+....2....+....3....+..$.4....+....5              
....+....1....+....2....+....3....+....4....+....5              
....+....1....+....2....+....3....+....4....+...$5              
/*                                                              
//SORTOUT  DD DSN=XXXXX.SORTTRK,                               
//     UNIT=SYSDA,DISP=(,CATLG),SPACE=(TRK,1)                   
//SYSIN     DD   *                                              
 OPTION COPY                                                    
 INREC PARSE=(%01=(ABSPOS=1,ENDBEFR=C'$',FIXLEN=50)),           
 BUILD=(%01)                                                    
 OUTFIL FTOV,VLTRIM=X'40'                                       
/*                                                              
 
The output file is:
 
 
********************************* Top of Data **********************************
                                                                                
                                                                                
 ------------------------------------------------------------------------------ 
....+....1....+....2....+....3....+....4....+....5                              
444444444F444444444F444444444F444444444F444444444F                              
BBBBEBBBB1BBBBEBBBB2BBBBEBBBB3BBBBEBBBB4BBBBEBBBB5                              
 ------------------------------------------------------------------------------ 
....+....1....+...                                                              
444444444F44444444                                                              
BBBBEBBBB1BBBBEBBB                                                              
 ------------------------------------------------------------------------------ 
....+....1....+....2....+....3....+..                                           
444444444F444444444F444444444F4444444                                           
BBBBEBBBB1BBBBEBBBB2BBBBEBBBB3BBBBEBB                                           
 ------------------------------------------------------------------------------ 
....+....1....+....2....+....3....+....4....+....5                              
444444444F444444444F444444444F444444444F444444444F                              
BBBBEBBBB1BBBBEBBBB2BBBBEBBBB3BBBBEBBBB4BBBBEBBBB5                              
 ------------------------------------------------------------------------------ 
....+....1....+....2....+....3....+....4....+...                                
444444444F444444444F444444444F444444444F44444444                                
BBBBEBBBB1BBBBEBBBB2BBBBEBBBB3BBBBEBBBB4BBBBEBBB                                
 ------------------------------------------------------------------------------ 
******************************** Bottom of Data ********************************

If you don't need the output to be VB, delete the last command line.
 
Trim the FIXLEN command to the maximum you think your record will be (it's only 
a "temp" record) and replace the "$" with the character delimiting your record.
 
Regards.
Massimo Biancucci
  

________________________________
 Da: Charles Mills <[email protected]>
A: [email protected] 
Inviato: Martedì 15 Gennaio 2013 18:04
Oggetto: Break a dataset into new record boundaries?
  
I've got a dataset that has been mangled through some misguided efforts such
that original record boundaries have been lost. It used to be RECFM=V and
now it is RECFM=F

As luck would have it, every original record begins with the same hex value.
Can anyone suggest a simple tool -- z/OS, USS, or Windows -- that would
reformat the records breaking on every occurrence of a particular byte
value? 

Yes, I know I will get some false positives, but it's test data, not
production data, and I can probably live with that. It would be an
improvement on what I have -- that's for sure.

I believe I have access to ICETOOL but I am embarrassed to admit I have
never used it. I glanced at the doc just now but did not see anything that
looked relevant -- but perhaps I missed something.

Thanks all!

Charles 

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