[Info-vax] VMS porting/rewrite, was: Re: [OT] Wirth style languages, was: Re: Obscure Ada compiler vendors?

[David Froble]

Simon Clubley wrote:
> On 2013-04-09, VAXman-  @SendSpamHere.ORG <VAXman- at SendSpamHere.ORG> wrote:
>> In article <kk11j5$etr$1 at dont-email.me>, Simon Clubley <clubley at remove_me.eisner.decus.org-Earth.UFP> writes:
>>> The GNU project started out as building a compiler and replacing vendor
>>> specific versions of Unix commands/utilities with their own. (Unix makes
>>> it easy to replace things a bit at a time; VMS does not.)
>> You don't like a particular command or utility, write your own.  You can
>> replace these things just as easily.  Saying that it is not easy to do on
>> VMS means you shouldn't be a part of the project trying to do so. ;)
>>
> 
> Fine.
> 
> Suppose I want to replace the existing DCL CLI with a new DCL CLI which
> supports existing functionality but also gives DCL more modern
> functionality.
> 
> [This is how bash started out BTW; it was a replacement for the limited
> Unix shells of the time.]
> 
> It's easy to write a new shell on Linux (and you also have plenty of
> exmaples to help you with specific concepts); where is the public
> documentation which would allow me to write a new DCL CLI on VMS ?
> 
> Simon.
> 

I would say it differently.

"Where is the documentation that would allow me to DESIGN a new "DCL 
like" CLI on VMS.

Given that, it's just a straight forward coding job by a competent 
programmer.