jeeves@arm:/opt/gltail/bin$ ./gl_tail gl_tail.yaml
/var/lib/gems/1.9.1/gems/chipmunk-5.3.4.5/lib/chipmunk.rb:6: Use RbConfig instead of obsolete and deprecated Config.
/usr/lib/ruby/1.9.1/psych.rb:203:in `parse': (gl_tail.yaml): mapping values are not allowed in this context at line 5 column 38 (Psych::SyntaxError)
        from /usr/lib/ruby/1.9.1/psych.rb:203:in `parse_stream'
        from /usr/lib/ruby/1.9.1/psych.rb:151:in `parse'
        from /usr/lib/ruby/1.9.1/psych.rb:127:in `load'
        from /usr/lib/ruby/1.9.1/psych.rb:297:in `block in load_file'
        from /usr/lib/ruby/1.9.1/psych.rb:297:in `open'
        from /usr/lib/ruby/1.9.1/psych.rb:297:in `load_file'
        from /opt/gltail/lib/gl_tail/config/yaml_parser.rb:9:in `initialize'
        from /opt/gltail/lib/gl_tail/config.rb:108:in `new'
        from /opt/gltail/lib/gl_tail/config.rb:108:in `parse_yaml'
        from ./gl_tail:108:in `<main>'