On Jan 14, 2009, at 3:09 PM, Mehul N. Sanghvi wrote:
Sean Allen said the following on 01/14/2009 12:20 PM:
On Jan 14, 2009, at 11:45 AM, Mehul N. Sanghvi wrote:
I would like to be able to get at all of the environment variables
(whether it is the shell environment variables or the CGI
environment variables or something else). What object/class would
I use for that ?
o wait, i think i know this:
Smalltalk getenv: 'foo'
Smalltalk getenv: 'bar'
Is there something that will get all the environment variables and
store it in an Array or something like that ? Using the approach
above, say in a CGI environment when I'm trying to debug, I just
want it to print every environment variable as I probably do not
know what I would be looking for but am hoping
that something in the environment will give me some guidance.
Did that make sense ?
Perl, Tcl, and PHP store the environment variables in an associative
array which can then be poked and peeked at (yes the usage of the
two words was intentional use of BASIC). Scheme also supports this
with a recent enhancement to the language, SRFI-98.
Is there some way to do something similar ? Maybe there is a message
"getenvAll" ? I couldn't find it and there doesn't seem to be much
documentation for getenv on smalltalk.gnu.org site.
i've only been looking at the source for a few days but what i know by
now ( or think i know, corrections from Paolo appreciated... )
getenv is a call out to C's getenv
you want a call out to environ which doesn't exist right now, someone
with more experience than i could put in quickly.
you can see everything in kernel/cFuncs.st and libgst/cint.c
if you are feeling adventurous, there is documentation about
interfacing with C at:
http://www.gnu.org/software/smalltalk/manual/gst.html#C-and-Smalltalk
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