[Info-vax] RMS internals?
glen herrmannsfeldt
gah at ugcs.caltech.edu
Sat Aug 8 22:35:07 EDT 2009
In comp.os.vms Howard S Shubs <howard at shubs.net> wrote:
(big snip)
> I suppose we could have done it with two $GETs, yes. Unfortunately,
> without knowing for sure how the file was being written by FTP, we
> didn't know that. FTP is saving it as two records, one of 32767 bytes,
> and one of 330 bytes. I only found that out once I looked at the blocks
> while debugging my routines. And I can't be sure it'll always work this
> way. We're using MULTINET. What if we switch to UCX (unlikely) and it
> does things differently? I like the idea of having a library around
> which will read any record length, anyway.
TCP is a stream protocol, with no record marks. The resulting
file should be independent of anything in the TCP/IP chain.
It might be that changes in RMS could make a difference, though.
-- glen
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