gistfile1.rb

private
  def mediainfo!
    raw_response = `#{@mediainfo_binary} #{@escaped_full_filename}`
    raise "Execution of #{mediainfo_binary} failed!" unless $? == 0
    return raw_response
  end

>> require 'mediainfo'
=> true
>> mediainfo = Mediainfo.new "foo(bar).mov"
sh: -c: line 0: syntax error near unexpected token `('
sh: -c: line 0: `mediainfo foo(bar).mov'
RuntimeError: Execution of mediainfo failed!
	from ./mediainfo.rb:195:in `mediainfo!'
	from ./mediainfo.rb:182:in `initialize'
	from (irb):2:in `new'
	from (irb):2
>> mediainfo.nil?
=> true
>> exit