I am getting the following error:
$script/console
Loading development environment (Rails 2.2.2)
/opt/ruby-enterprise-1.8.6-20080709/lib/ruby/1.8/irb/completion.rb:10:in `require': no such file to load -- readline (LoadError)
Where can i get the file and what directory should it go in?
Thanks!
The readline module is normally part of the Ruby package itself.
Did you manually build your Ruby install? If so, you want to make sure libreadline and its headers are installed, and build again.
On Debian/Ubuntu:
apt-get install libreadline-dev
Or on RHEL/CentOS, try
yum install readline-devel
Update:
You are using a very old release of Ubuntu. If you want to keep using it, open /etc/apt/sources.list
in a text editor, and change all occurrences of archive.ubuntu.com
to old-releases.ubuntu.com
. Then, run apt-get update
and try the above again.
I urge you to consider updating your installation, though. Ubuntu 7.10 hasn't seen security updates in quite a while, and using it in production is not recommended. Even if it's not a production machine, there's a good chance you'll run into further problems because of old versions of certain libraries/dependencies.
You need to install the ncurses and readline libraries.
On Ubunutu you could do
sudo apt-get install libreadline5-dev libncurses5-dev
and then you will have to recompile readline which comes with your ruby source
cd <ruby-src-dir>/ext/readline
ruby extconf.rb
make
sudo make install
If you are using RVM you could simply do
rvm package install readline
EDIT:
On newer RVM versions, this last command is
rvm pkg install readline
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