Ruby and ri(1) ruby information

[Colin Law]

On 21 December 2013 09:27, Kevin O'Gorman <kogorman at gmail.com> wrote:
> On Sat, Dec 21, 2013 at 1:13 AM, Colin Law <clanlaw at gmail.com> wrote:
>> ...
>> # install dependencies
>> sudo apt-get install build-essential bison openssl libreadline6
>> libreadline6-dev curl git-core \
>> zlib1g zlib1g-dev libssl-dev libyaml-dev libxml2-dev autoconf
>> libc6-dev ncurses-dev automake \
>> libtool
>>
>> # install rvm, ruby and rails
>> curl -L https://get.rvm.io | bash -s stable
>>
>> See rvm.io for info on rvm.  The above may be a little out of date as
>> I think rvm now includes an autolibs facility that means you don't
>> need to manually install the dependencies, but the above should still
>> work.
>> When using rvm any gems install command should be run without sudo.
>
> So when I do the bit that says, inter alia, that it installs ruby:
> what happens to the existing packages ruby1.9.1 and libruby1.9.1?

Nothing.  It installs a new ruby in your home directory under .rvm.
So, for example, when I run which ruby I see
$ which ruby
/home/colinl/.rvm/rubies/ruby-1.9.3-p194/bin/ruby

The original system ruby (if installed) will still be there but will
not normally be used as .rvm appears in the path first.

Colin

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