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Date: Thu, 29 Dec 2016 01:42:26 -0800 (PST)
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Subject: Re: Accessing Shell Variables
From: ahlan.marriott@gmail.com
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Xref: news.eternal-september.org comp.lang.ada:32972
Date: 2016-12-29T01:42:26-08:00
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On Wednesday, 28 December 2016 22:38:42 UTC+1, Victor Porton  wrote:
> Simon Wright wrote:
> 
> > Victor Porton <porton@narod.ru> writes:
> > 
> >> ahlan.marriott@gmail.com wrote:
> >>
> >>> I can access Windows, Linux and Osx environment variables using
> >>> Ada.Environment_Variables.Value However Linux and Osx also have Shell
> >>> variables. How can I access these?
> >>
> >> You cannot access a shell variable unless it is exported. Exported shell
> >> variable becomes and environment variable:
> >>
> >> xxx=yyy
> >> ./my-program  # my-program cannot (at least in an easy way) access $xxx
> >>
> >> export xxx=yyy
> >> # or
> >> xxx=yyy
> >> export xxx
> >> ./my-program  # my-program cannot access xxx environment variable
> > 
> > This variant is the one that *can* access the environment variable.
> 
> Yes, my typo.
> 
> -- 
> Victor Porton - http://portonvictor.org

Dear Victor,

Thank you for your reply.
I now understand (better) the difference between exported and non-exported shell variables.
Exporting the shell variable I wanted to access solves the problem.
Many thanks for answering my question ;-)
Best wishes,
Ahlan