Issue

rhc commands are not working after the installation.

[root@example ~]# rhc setup
/usr/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:31:in
`gem_original_require':
/usr/lib/ruby/gems/1.8/gems/commander-4.3.0/lib/commander/user_interaction.
rb:236: syntax error, unexpected '.', expecting kEND (SyntaxError)
        .compact
         ^
/usr/lib/ruby/gems/1.8/gems/commander-4.3.0/lib/commander/user_interaction.
rb:462: odd number list for Hash
          title: @title,
                ^
/usr/lib/ruby/gems/1.8/gems/commander-4.3.0/lib/commander/user_interaction.
rb:462: syntax error, unexpected ':', expecting '}'
          title: @title,
                ^
/usr/lib/ruby/gems/1.8/gems/commander-4.3.0/lib/commander/user_interaction.
rb:463: syntax error, unexpected ':', expecting '='
          percent_complete: percent_complete,
                           ^
/usr/lib/ruby/gems/1.8/gems/commander-4.3.0/lib/commander/user_interaction.
rb:464: syntax error, unexpected ':', expecting '='
          progress_bar: progress_bar,
                       ^
/usr/lib/ruby/gems/1.8/gems/commander-4.3.0/lib/commander/user_interaction.
rb:465: syntax error, unexpected ':', expecting '='
          step: @step,
               ^
/usr/lib/ruby/gems/1.8/gems/commander-4.3.0/lib/commander/user_interaction.
rb:466: syntax error, unexpected ':', expecting '='
          steps_remaining: steps_remaining,
                          ^
/usr/lib/ruby/gems/1.8/gems/commander-4.3.0/lib/commander/user_interaction.
rb:467: syntax error, unexpected ':', expecting '='
          total_steps: @total_steps,
                      ^
/usr/lib/ruby/gems/1.8/gems/commander-4.3.0/lib/commander/user_interaction.
rb:468: syntax error, unexpected ':', expecting '='
          time_elapsed: '%0.2fs' % time_elapsed,
                       ^
/usr/lib/ruby/gems/1.8/gems/commander-4.3.0/lib/commander/user_interaction.
rb:468: syntax error, unexpected ',', expecting kEND
/usr/lib/ruby/gems/1.8/gems/commander-4.3.0/lib/commander/user_interaction.
rb:470: syntax error, unexpected '}', expecting kEND
        }.merge! @tokens
         ^
    from /usr/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:31:in
`require'
    from /usr/lib/ruby/gems/1.8/gems/commander-4.3.0/lib/commander.rb:27
    from /usr/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:31:in
`gem_original_require'
    from /usr/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:31:in
`require'
    from /usr/lib/ruby/gems/1.8/gems/rhc-1.34.2/lib/rhc.rb:30
    from /usr/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:31:in
`gem_original_require'
    from /usr/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:31:in
`require'
    from /usr/lib/ruby/gems/1.8/gems/rhc-1.34.2/lib/rhc/cli.rb:1
    from /usr/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:31:in
`gem_original_require'
    from /usr/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:31:in
`require'
    from /usr/lib/ruby/gems/1.8/gems/rhc-1.34.2/bin/rhc:18
    from /usr/bin/rhc:19:in `load'
    from /usr/bin/rhc:19