Rails - Feb 2007 - accessing a Custom variable I put in development.rb - how can I do this?

Hi,

I just quite seem to find out how to access a custom environment variable I
put into "development.rb", "test.rb" etc

Can someone give me a pointer for this please.

Tks
Greg

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(bump)

Still trying to understand default Rails behavior here so would be great if
someone can clarify.  That is how is one supposed to put one''s own
custom
variables in the environment.rb/developmnet.rb type files and then get
access to them.

In the environment.rb file the last line is "# Include your application
configuration below".  However I''ve tried adding my own variables
here and
not been able to see them later within ENV.  That is:

a) add the following to the bottom of environment.rb
        
gregs.test1="1*************************************************"

b) go "ruby script/console"

c) issue "ENV" but I can''t see this custom environment
variable being
loaded.

Can any clarify the default means of setting custom environment variables in
rails (I''ve been googling but to no avail yet)

Tks
Greg


On 2/11/07, Greg Hauptmann
<greg.hauptmann.ruby-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
wrote:
>
> Hi,
>
> I just quite seem to find out how to access a custom environment variable
> I put into "development.rb", "test.rb" etc
>
> Can someone give me a pointer for this please.
>
> Tks
> Greg
>
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On 2/11/07, Greg Hauptmann
<greg.hauptmann.ruby-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
wrote:
> (bump)
>
> Still trying to understand default Rails behavior here so would be great if
> someone can clarify.  That is how is one supposed to put one''s own
custom
> variables in the environment.rb/developmnet.rb type files and then get
> access to them.
>
> In the environment.rb file the last line is "# Include your
application
> configuration below".  However I''ve tried adding my own
variables here and
> not been able to see them later within ENV.  That is:
>
> a) add the following to the bottom of environment.rb
>
> gregs.test1="1*************************************************"
Hi Greg,

To define an environment variable, use ENV[''NAME''] = value
(where
value must be a string).

So doing ENV[''test1''] = ''blah'' works for me.

Regards,
George.

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Tks George - but do you/someone else know whether it is possible to put your
environment variables directly within the rails environment files?  (e.g.
environment.rb, development.rb etc)

Greg

On 2/11/07, George Ogata
<george.ogata-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
wrote:
>
>
> On 2/11/07, Greg Hauptmann
<greg.hauptmann.ruby-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> wrote:
> > (bump)
> >
> > Still trying to understand default Rails behavior here so would be
great
> if
> > someone can clarify.  That is how is one supposed to put
one''s own
> custom
> > variables in the environment.rb/developmnet.rb type files and then get
> > access to them.
> >
> > In the environment.rb file the last line is "# Include your
application
> > configuration below".  However I''ve tried adding my own
variables here
> and
> > not been able to see them later within ENV.  That is:
> >
> > a) add the following to the bottom of environment.rb
> >
> >
gregs.test1="1*************************************************"
>
> Hi Greg,
>
> To define an environment variable, use ENV[''NAME''] =
value (where
> value must be a string).
>
> So doing ENV[''test1''] = ''blah'' works
for me.
>
> Regards,
> George.
>
> >
>
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On 2/11/07, Greg Hauptmann
<greg.hauptmann.ruby-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
wrote:
> Tks George - but do you/someone else know whether it is possible to put
your
> environment variables directly within the rails environment files?  (e.g.
> environment.rb, development.rb etc)
>
> Greg
Yes, it works for me if I stick it in environment.rb or
environments/development.rb, on a fresh rails app, in both rails 1.1.6
and 1.2.2.  Note that you must assign a String.  A Fixnum, etc. won''t
cut it (you should see an error when you start script/console if you
get this wrong).

Is there a reason you need environment variable, BTW?  Because it
might be easier to just use a constant, e.g., "FOO = 1", as well.

Cheers,
George.

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On 2/11/07, George Ogata
<george.ogata-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
wrote:
> On 2/11/07, Greg Hauptmann
<greg.hauptmann.ruby-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> wrote:
> > Tks George - but do you/someone else know whether it is possible to
put your
> > environment variables directly within the rails environment files? 
(e.g.
> > environment.rb, development.rb etc)
> >
> > Greg
>
> Yes, it works for me if I stick it in environment.rb or
> environments/development.rb, on a fresh rails app, in both rails 1.1.6
> and 1.2.2.  Note that you must assign a String.  A Fixnum, etc.
won''t
> cut it (you should see an error when you start script/console if you
> get this wrong).
>
> Is there a reason you need environment variable, BTW?  Because it
> might be easier to just use a constant, e.g., "FOO = 1", as well.
I should also add that my experiments were on Linux.  I''m not sure if
other OSs might behave differently.
> Cheers,
> George.
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basically wanted a mechanism to have a external URL used by the application
to be different in development George.  Are you putting your entry in
environment.rb right at the bottom of the file, i.e. outside the Rails::
Initializer.run area?

I''m assuming that after I have put, myvar = ''this is
it'', at the bottom of
the environment.rb file and restart, that if I go "ruby
script/console" then
ENV I should be able to see it, or ENV[''myvar''].....but at
this stage this
isn''t working for me.  I''m on Mac OS X.

Any ideas why this isn''t working George/anyone?

Thanks again
Greg




On 2/11/07, George Ogata
<george.ogata-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
wrote:
>
>
> On 2/11/07, George Ogata
<george.ogata-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> wrote:
> > On 2/11/07, Greg Hauptmann
<greg.hauptmann.ruby-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> wrote:
> > > Tks George - but do you/someone else know whether it is possible
to
> put your
> > > environment variables directly within the rails environment
files?  (
> e.g.
> > > environment.rb, development.rb etc)
> > >
> > > Greg
> >
> > Yes, it works for me if I stick it in environment.rb or
> > environments/development.rb, on a fresh rails app, in both rails 1.1.6
> > and 1.2.2.  Note that you must assign a String.  A Fixnum, etc.
won''t
> > cut it (you should see an error when you start script/console if you
> > get this wrong).
> >
> > Is there a reason you need environment variable, BTW?  Because it
> > might be easier to just use a constant, e.g., "FOO = 1", as
well.
>
> I should also add that my experiments were on Linux.  I''m not sure
if
> other OSs might behave differently.
>
> > Cheers,
> > George.
>
> >
>
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doh!  saw the errors of my ways - had been treating the environment.rb like
a java properties file - I see now it''s actually ruby and I had to put
the
"ENV[''myvar'']=...." into the file, not
"''myvar'' = ''...''" - thanks George


On 2/12/07, Greg Hauptmann
<greg.hauptmann.ruby-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
wrote:
>
> basically wanted a mechanism to have a external URL used by the
> application to be different in development George.  Are you putting your
> entry in environment.rb right at the bottom of the file, i.e. outside the
> Rails::Initializer.run area?
>
> I''m assuming that after I have put, myvar = ''this is
it'', at the bottom of
> the environment.rb file and restart, that if I go "ruby
script/console"
> then ENV I should be able to see it, or
ENV[''myvar''].....but at this stage
> this isn''t working for me.  I''m on Mac OS X.
>
> Any ideas why this isn''t working George/anyone?
>
> Thanks again
> Greg
>
>
>
>
> On 2/11/07, George Ogata <
george.ogata-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> wrote:
> >
> >
> > On 2/11/07, George Ogata <
george.ogata-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> wrote:
> > > On 2/11/07, Greg Hauptmann
<greg.hauptmann.ruby-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> wrote:
> > > > Tks George - but do you/someone else know whether it is
possible to
> > put your
> > > > environment variables directly within the rails environment
> > files?  (e.g.
> > > > environment.rb, development.rb etc)
> > > >
> > > > Greg
> > >
> > > Yes, it works for me if I stick it in environment.rb or
> > > environments/development.rb, on a fresh rails app, in both rails
1.1.6
> > > and 1.2.2.  Note that you must assign a String.  A Fixnum, etc.
won''t
> > > cut it (you should see an error when you start script/console if
you
> > > get this wrong).
> > >
> > > Is there a reason you need environment variable, BTW?  Because it
> > > might be easier to just use a constant, e.g., "FOO =
1", as well.
> >
> > I should also add that my experiments were on Linux.  I''m not
sure if
> > other OSs might behave differently.
> >
> > > Cheers,
> > > George.
> >
> > > >
> >
>
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Greg Hauptmann wrote:
> basically wanted a mechanism to have a external URL used by the 
> application
> to be different in development George.  Are you putting your entry in
> environment.rb right at the bottom of the file, i.e. outside the Rails::
> Initializer.run area?
> 
> I''m assuming that after I have put, myvar = ''this is
it'', at the bottom
> of
> the environment.rb file and restart, that if I go "ruby
script/console"
> then
> ENV I should be able to see it, or ENV[''myvar''].....but
at this stage
> this
> isn''t working for me.  I''m on Mac OS X.
> 
> Any ideas why this isn''t working George/anyone?
> 
> Thanks again
> Greg
I''m glad you got it working, but I don''t think this is the
best way to
handle this.  As stated above, you should probably use a constant, or 
perhaps a direct manipulation of the url to be changed.

Lets say you have some API class that you want to use a different URL in 
development mode.  The cleanest way to handle this is something like

  #development.rb
  MyApi.access_url = "http://foo.com"

That section is for manipulating parts of your app more than setting ENV 
variables.

-- 
Posted via http://www.ruby-forum.com/.

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