[Info-vax] VMS enhancement suggestion: Add a "read regardless" file open option.

[Simon Clubley]

On 2020-11-10, Stephen Hoffman <seaohveh at hoffmanlabs.invalid> wrote:
> On 2020-11-10 13:25:30 +0000, Simon Clubley said:
>
>> On 2020-11-09, Dave Froble <davef at tsoft-inc.com> wrote:
>>> 
>>> Seems like VAX Basic has a "read regardless" lock qualifier ...
>>> 
>> 
>> I wasn't aware of that. Does it allow you to open a sequential file for 
>> reading while the file is also in the process of being created by 
>> another program ? You can clearly do it for batch log files but what 
>> about programs that don't specify that writing mode when creating a 
>> sequential file ?
>
> C has access to RRL, too.
> But RRL doesn't help with a locked file.
> RRL is applicable when a file is already open and already accessed, and 
> a record lock is to be overridden.
>

I thought David was talking about some option to get access to the
file contents while the file is being created, especially given that
he came from RSTS/E, so I assume he remembers what mode 4096 did on RSTS/E.

Thanks for explaining.

Simon.

-- 
Simon Clubley, clubley at remove_me.eisner.decus.org-Earth.UFP
Walking destinations on a map are further away than they appear.