Gist for bash to remove Ruby installation when it is generated by compiling the binaries. First check you source folder and you will find the .installed.list (doing ls -la for instance).

gistfile1.txt

#!/bin/bash

for line in $(cat /home/developer/ruby-2.0.0-p247/.installed.list); do
        if [[ -f $line  ]]; then
                eval "rm $line"
        elif [[ -d $line ]]; then
                eval "rm -rf $line"
        fi;
done