[Info-vax] Why does this DIFF command fail, then run fine the 2nd time around?

[Dave Froble]

On 12/12/2022 1:27 PM, Stephen Hoffman wrote:
> On 2022-12-12 06:45:44 +0000, alanfe... at gmail.com said:
>
>>  $ DIFP SCRFELD:[.A.TO_V530]CLEAR_NBACK_LNMS.COM;1 [.B.*]
>> ...
>> $ SHOW LOG/FUL SCRFELD
>>    "SCRFELD" [super] = "DSA2:[USR_SCRATCH.FELDMAN.]" [concealed,terminal]
>> (LNM$PROCESS_TABLE)
>> $
>
> AFAIK, usual preferred command syntax with a concealed rooted logical name would
> be thus:
>
> DIFP SCRFELD:[A.TO_V530]CLEAR_NBACK_LNMS.COM;1 [B.*]
>
> Trailing dot (from the logical name, correctly) and leading dot (from the
> appended directory) passes along some variation of [TOS..A] and [TOS..B].
>
> Looks like a dusty corner within the name and default name and related-spec
> parsing, among other dusty corners within filespec parsing.
>
> Shouldn't blow up, but arguably also probably shouldn't work.
>
>

Some people are way too fond of rooted logical names ...

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David Froble                       Tel: 724-529-0450
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