[Info-vax] The best VMS features, was: Re: openvms renaming file

[Arne Vajhøj]

On 5/29/2018 7:12 PM, Johnny Billquist wrote:
> On 2018-05-29 01:16, Arne Vajhøj wrote:
>> On 5/28/2018 4:08 PM, Johnny Billquist wrote:
>>> Applications could be clever enough to actually refer to fields based 
>>> on names, instead of just using fixed, known, chunks of the record. 
>>> RMS do have names for the fields, which you can set and read.
>>
>> Both keys and values or only keys?
>>
>> I suspect key info is in XABKEY, but where do you find value info?
> 
> What do you mean by value info? The values are in the individual records 
> obviously. And the key info will tell you which bytes in the record that 
> contains the value. Or are you talking about the type of the value? 
> Which also also stored with they key info.
> 
> Not entirely sure what you are thinking of....

If you have a record with 12 fields:

Key_1
Key_2
Value_1
...
Value_10

then I assume that I can get the names, indexes and size for
Key_1 and Key_2 from XABKEY (I have not tried it, but it looks
promising), but I have no idea where I would get names, indexes
and size for Value_1, ..., Value_10.

Arne