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From: Fregas on 10 May 2010 08:40


Hi,

I'm working on a console ruby application (not rails!) I will be
installing this application on several machines. I was wondering if
there is a way i can build it so i dont have to install the gems i'm
using for the app on each machine. I'd like to be able to just copy
the directory to each machine and run it. Ideally, i'd like to put the
gems in the lib folder or something and reference them from there, so
i don't have to even install them on my dev machine. Is there a way to
do this?

In .net, we call this the "spare tire" principle.

thanks, Craig
From: John on 10 May 2010 12:39
On May 10, 5:40 am, Fregas <fre...(a)gmail.com> wrote:
> Hi,
>
> I'm working on a console ruby application (not rails!) I will be
> installing this application on several machines. I was wondering if
> there is a way i can build it so i dont have to install the gems i'm
> using for the app on each machine. I'd like to be able to just copy
> the directory to each machine and run it. Ideally, i'd like to put the
> gems in the lib folder or something and reference them from there, so
> i don't have to even install them on my dev machine. Is there a way to
> do this?
>
> In .net, we call this the "spare tire" principle.
>
> thanks, Craig

Ruby Gem "OCRA" lets you "compile" your ruby code into an EXE file
that you can distribute to others,
without requiring that the users have Ruby installed on their PCs.

To install ocra:

gem install ocra

This should provide you with an easy way to deploy your program to
several PC systems.
From: Phrogz on 11 May 2010 10:09
On May 10, 6:40 am, Fregas <fre...(a)gmail.com> wrote:
> Ideally, i'd like to put the
> gems in the lib folder or something and reference them from there, so
> i don't have to even install them on my dev machine. Is there a way to
> do this?

1) Create "lib/gems" folder.
2) In that folder, run "gem unpack gemname1 gemname2 ..."
-> You will get new folders for each gem
3) In the main file for your code, put
Dir.chdir( File.dirname( __FILE__ ) )
$:.unshift( *Dir['lib/gems/*/lib'] )

Ta-da!
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