class Rouge::TextAnalyzer

`#!/bash`, '#!/bin/bash', '#!/usr/bin/env bash', and '#!/bin/bash -x'
This normalizes things so that `text.shebang?('bash')` will detect

Check if the given shebang is present.

def shebang?(match)
  match = /\b#{match}(\s|$)/
  match === shebang
end