[Info-vax] Meditech in the news

[Craig A. Berry]

On 1/8/22 2:18 PM, plugh wrote:
> On Saturday, January 8, 2022 at 12:59:12 PM UTC-7, Arne Vajhøj wrote:
>> On 1/8/2022 1:40 PM, Scott Dorsey wrote:
>>> plugh <jchi... at gmail.com> wrote:
>>>> I think one of the aspects of MUmPhs that buggers newbs is that it's one of=
>>>> the few languages implementing content addressable memory, even to seconda=
>>>> ry storage. I've professionally written REXX, which is the only other such =
>>>> language. I'm sure there are others.
>>>
>>> It's actually become a popular thing recently, with hashes being implemented
>>> in perl and python as standard data structures. Not as extensive or
>>> transparent as in Mumps, mind you.
>> In memory hashtables/hashmaps/dictionaries/associative arrays are a
>> standard feature in most newer languages.
>>
>> Index-sequential files/NoSQL Key Value Stores are also common across
>> technologies.
>>
>> The combination is not common. Even though I guess that languages
>> that allow overloading of indexing operator could do something
>> similar under the hood.
>>
>> Arne
> 
> Very true. I should've been clearer when referencing CAM. I'd like to
> call out stem-and-list CAM as opposed to hashing &c. The difference
> is storage organization around paths, not nodes. That's why I
> namechecked REXX. I'm quite sure perl could do that as well.

I have no idea what "stem-and-list CAM" is, but Perl provides the
ability to tie hashes to a file so that accessing hash elements accesses
file contents.  With the VMS::IndexedFile extension you can also get one
hash per index and just access the records by accessing the hash.