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From: Rafa de Castro <rafael@refugioseguro.com>
Date: Wed, 15 Sep 2010 23:42:01 +0200
Message-ID: <AANLkTikURf2RGp1EmZ77X7t2eHQTYGyMoM1xx6Kna_Ma@mail.gmail.com>
Subject: Re: Substituting values in a file
To: users@buildr.apache.org, antoine@lunar-ocean.com
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You can also try creating erb templates of the files you want to change.
Then bind the values and generate the files dinamically. It's really simple.

http://www.ensta.fr/~diam/ruby/online/ruby-doc-stdlib/libdoc/erb/rdoc/classes/ERB.html

And very rubyish :P

On 15 September 2010 23:35, Antoine Toulme <antoine@lunar-ocean.com> wrote:

> Hi Travis, you can reuse some buildrdeb code that does that:
>
>
> http://github.com/intalio/package_as_deb/blob/master/lib/buildrdeb/package.rb#L33
>
> <
> http://github.com/intalio/package_as_deb/blob/master/lib/buildrdeb/package.rb#L33
> >You
> read the file, eval(its contents), then write it in the target folder in
> place.
>
> The code is not really good looking there but it's really simple. I
> recommend you try in irb first.
>
> On Wed, Sep 15, 2010 at 14:28, Travis Jensen <travis.jensen@gmail.com
> >wrote:
>
> > I have a client/server system where both the client and the server need
> to
> > know the server's hostname (think of this requirement like Apache's
> virtual
> > hosts where one process is able to serve as multiple hosts), but that can
> > change depending on whether it is a dev, QA, or production build.  I need
> > to
> > replace a variable for the hostname in a couple of XML files, a
> properties
> > file, and a JSON/JavaScript file.  The number is small enough that I
> would
> > want to specify the files to modify rather than do a global
> search/replace
> > (keeps the variables from proliferating, too :)
> >
> > One solution I thought of is to have a configuration file that specifies
> > the
> > hostname the system is being built for (the confi file would exist
> outside
> > our repository). When a build is performed, the files would have the
> > variable substitution performed to give *this* build a particular
> hostname.
> >
> >
> > The problem with this is that it doesn't work well in IDE projects that
> > don't know about the substitution.
> >
> > I'm open to other ideas and, more importantly, any points for
> accomplishing
> > this that a new user of buildr might not know about (I can always write
> the
> > ruby code to do it if it comes to that).
> >
> > Thanks.
> >
> > tj
> >
> > *Travis Jensen*
> > ***
> > *Read the Software Maven @ http://softwaremaven.innerbrane.com/
> > Read my LinkedIn profile @ http://www.linkedin.com/in/travisjensen
> > Read my Twitter mumblings @ http://twitter.com/SoftwareMaven
> > Send me email @ travis.jensen@gmail.com
> >
> > **What kind of guy calls himself the Software Maven???**
> >
>


-- 
Rafa de Castro
rafael@micubiculo.com

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