Changing that stuff works very well if you use the technique that I described. You put in an "arbitrary" Record Contains and/or Block Contains in the COBOL FD - and then "modify" the DCB info in the Assembler program that you call - passing it the DCB.
<[EMAIL PROTECTED]> wrote in message news:<[EMAIL PROTECTED]>... > Hi Bill > Thanks for your good suggestion. But my client require that he could > decide an output dataset's record length and block size dynamically, > and the file format must be FB. > ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [EMAIL PROTECTED] with the message: GET IBM-MAIN INFO Search the archives at http://bama.ua.edu/archives/ibm-main.html

