On Mon, May 01, 2023 at 08:26:42AM -0500, Pierre Fichaud wrote:
> I have provided the DCB in source and dumped it just before the OPEN.
> 1st data set in the concatenation :
> The JCL has just the DSN and DISP.
> .
>
> . 000183 INFILE DCB DDNAME=INFILE,
> *00164000 .
> . 000184 DSORG=PS,
> *00165000 .
> . 000185 EODAD=0,
> *00166000 .
> . 000186 MACRF=GL
> 00167000 .
> DCB before open
> 000224D8 00000000 00000000 00000000 00000000
00000000 00000001 00004000 00000001
*....................... .. .... *
> 000224F8 00010580 50000000 C6C9D3C5 C1404040
0A004800 00000001 00018240 000003E8 <-- 03E8
*. &...FILEA . .... . b .. Y*
> 00022518 00000000 00000001 00000001 00000001
00C8 -> 000000C8 00000001 00000000 00000001
*....... ... ... ...H... ....... *
Which has BLKSIZE 1000 (x'03E8') and LRECL 200 (x'00C8') already set.
If they aren't set at assembly time who's setting them before open?
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