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

[Simon Clubley]

On 2020-11-11, Simon Clubley <clubley at remove_me.eisner.decus.org-Earth.UFP> wrote:
> On 2020-11-10, Craig A. Berry <craigberry at nospam.mac.com> wrote:
>>
>> (N.B. I have never seen nor used RSTS/E and have no idea what mode 4096 
>> was.)
>>
>
> On RSTS/E, when you opened or created a file, you could specify
> a bitmap-encoded 16-bit integer as a mode argument.
>
> For example, when you created a file, you could set a bit which indicated
> that you wanted the file created as a contiguous file.
>
> When you opened a file, you could include 4096 in the mode argument to
> indicate that you still wanted to open the file even if it was still
> being created by another program.
>
> The program behind various directory commands on RSTS/E was called PIP

That should say "behind various file and directory commands". The command
below was used to display the contents of filename.dat on the user's terminal.

> and you could (1) invoke it directly and (2) specify a mode argument
> when PIP was directly invoked. This meant you could type:
>
> 	pip filename.dat/mo:4096
>
> from the command line to examine a file even if it was still being
> created by another program.
>

Simon.

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