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Re: [Help-smalltalk] How to access environment variables ?


From: Mehul Sanghvi
Subject: Re: [Help-smalltalk] How to access environment variables ?
Date: Sun, 20 Mar 2011 18:59:41 -0400

On Tue, Feb 10, 2009 at 09:11, Paolo Bonzini <address@hidden> wrote:
>
>> There are extra shell variables showing up like PATH, BASH, TERM, etc.
>> which do not show up in a CGI environment using any other language that
>> I've used to write a similar CGI program (Perl, PHP, Lisp, Scheme, C,
>> Tcl).  All of them print out the same variables as the output of the
>> Perl script.  What we seem to  be doing in Smalltalk is forking/execing
>> a shell and and then getting the environment variables so that we end up
>> with variables from a hybrid environment of CGI and shell.
>
> Yes, you're right that's suboptimal.
>
> What is really needed is a package covering POSIX stuff, from
> environment to process creation, in a nice object-oriented way.  Ideally
> you could do something like
>
>   redirections := SpawnParameters new
>       stdin: (FileStream open: '/dev/null' mode: FileStream write);
>       stdout: (FileStream newPipe: FileStream write);
>       stderr: FileStream stderr;
>       workingDirectory: '/'.
>   process := redirections spawn: 'ls -lR'.
>   s := [ process stdout readSide contents ] fork.
>   process wait
>
> Paolo
>


I was wondering if this sort of POSIX support has been added to GST now ?

This was from a couple of years ago when I was trying to get at all the
environment variables in a CGI environment.


cheers,

       mehul

-- 
Mehul N. Sanghvi
email: address@hidden



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