gistfile1.txt

e = Tesseract::Engine.new {|e|
    e.language  = :eng
    e.blacklist = '|'
}
e.each_line_for('/home/bobby/rhgraysonii.github.io/sam/rba.png')


output:
devbox:~/ruby_ocr_tutorial/app/lib$ ruby ocr_engine.rb 
WARN: Unresolved specs during Gem::Specification.reset:
      mini_portile (~> 0.6.0)
WARN: Clearing out unresolved specs.
Please report a bug if this causes problems.
/home/bobby/.rbenv/versions/2.1.0/lib/ruby/gems/2.1.0/gems/tesseract-ocr-0.1.7/lib/tesseract/engine.rb:176:in `block (2 levels) in <class:Engine>': you have to pass a block (ArgumentError)
	from /home/bobby/.rbenv/versions/2.1.0/lib/ruby/gems/2.1.0/gems/tesseract-ocr-0.1.7/lib/tesseract/engine.rb:188:in `block (2 levels) in <class:Engine>'
	from /home/bobby/.rbenv/versions/2.1.0/lib/ruby/gems/2.1.0/gems/call-me-0.0.2.3/lib/call-me/named.rb:207:in `block in named'
	from ocr_engine.rb:53:in `<main>'