On Wed, 2 May 2018 22:30:00 +0100, David W Noon wrote: >> ... >> I don't recall whether Rexx reassembles spanned records or whether I >> needed to override with RECFM(U) and process the streams myself. > >If you are using QSAM, the access method should do it. With RECFM=VBS >you are required to use move mode processing and QSAM should do the >buffer management, including reassembling each logical record as it move >the data to you work area. > Suppose there is no guarantee that every logical record fit in available virtual memory?
>AFAIAA, REXX EXECIO uses QSAM. > >I have processed VBS records using BSAM. It is a bit of a chore ensuring >that the spanning indicator bits in the RDWs are set correctly. > >> I don't know which utilities are sensitive to which BFTEK values. > >I have not seen BFTEK do anything particularly useful. > Thinking further, it might make more sense to allocate a UNIX file as FILEDATA=BINARY, RECFM=VB, LRECL=1028 (arbitrarily). SDB will choose a BLKSIZE and QSAM or BSAM will insert RDWs (every 1024 bytes) and BDWs. gil ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN
