[Info-vax] CRTL and RMS vs SSIO

David Jones osuvman50 at gmail.com
Wed Oct 6 09:18:55 EDT 2021


On Wednesday, October 6, 2021 at 8:40:13 AM UTC-4, Craig A. Berry wrote:
> On 10/5/21 9:06 PM, Greg Tinkler wrote: 
> 
> > An extra that could be added, if the file is RFM=fixed, and the C 
> > code uses it that way with the same record length then use the 
> > SYS$GET/SYS$PUT so it will play nicely with an RMS access to those files.
> I don't know the degree to which the current plan corresponds to the 
> original plan from a decade or so ago, but back then only stream files 
> were going to be supported by SSIO, which makes sense since the whole 
> point is locking byte ranges.

Open source software ports often comes with the restriction that it only works
with stream-LF files. Maybe they should add flag to directory files that if set
only allows it to contain stream-LF or directory files.

I keep a stmlf.fdl file in my login directory to use for copying (i.e. convert/fdl=...)
text files to NFS shares.



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