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How to get /usr/bin/env ruby to point to the correct ruby environment?

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linux-howto

http://askubuntu.com – So I was making a cgi ruby script and had the following at the top of the script file: #!/usr/bin/env ruby require 'rubygems' require 'action_pack' require 'cgi' After a couple of hours of not getting "/usr/bin/env: ruby: No such file or directory" error and google searching, I uninstalled my system ruby 1.8.7 (I also had 1.9.3 installed via rvm) by doing sudo apt-get purge ruby rubygems. I still get the error. When I type "which ruby", I get /home/homeuser/.rvm/rubies/ruby-1.9.3-p194/bin/ruby. Does anyone have any insight as to how to fix this problem? Here is what echo $PATH yields (HowTos)