[Info-vax] Very simple DCL question

[Arne Vajhøj]

On 12/28/2022 1:45 PM, Chris Townley wrote:
> On 28/12/2022 18:38, Arne Vajhøj wrote:
>> On 12/28/2022 1:29 PM, Chris Townley wrote:
>>> On 28/12/2022 16:45, Arne Vajhøj wrote:
>>>> $ type z.com
>>>> $ write sys$output "''p1'"
>>>> $ @z a
>>>> A
>>>> $ @z "a"
>>>> a
>>>>
>>>> This is not really surprising.
>>>>
>>>> But are there any way to preserve pn case without
>>>> double-quoting it?
>>>>
>>>> Like this hypothetical syntax:
>>>>
>>>> $ set proc/parse=(extended,pnkeepcase)
>>>
>>> There is of course
>>>
>>> $ SET PROCESS /CASE=CASE_LOOKUP=SENSITIVE /PARSE_STYLE=EXTENDED
>>>
>>> Does this not work?
>>
>> I did not know that. But no.
>>
>> $ SET PROCESS /CASE=CASE_LOOKUP=SENSITIVE /PARSE_STYLE=EXTENDED
>> %DCL-W-IVKEYW, unrecognized keyword - check validity and spelling
>>   \CASE_LOOKUP\
>> $ SET PROCESS /CASE_LOOKUP=SENSITIVE /PARSE_STYLE=EXTENDED
>> $ @z a
>> %DCL-E-OPENIN, error opening DISK2:[ARNE.gpcp]z.COM; as input
>> -RMS-E-FNF, file not found
>> $ @z.com a
>> A
>> $ @z.com "a"
>> a
> 
> Interesting. What version of VMS are you on?

$ write sys$output f$getsyi("version")
V8.4-2L2

> My example was straight from the VSI DCL dictionary. I was vaguely aware 
> of something like that.
> 
> Presumably the command affects the current process - do you need to have 
> it in z.com? Although you shouldn't as you are double quoting the symbol 
> substitution.

I am pretty sure that the problem has already happened when the first
line in z.com is executed.

Arne