gistfile1

#!/usr/bin/env ruby
#
#

(ARGV.empty? ?  Dir['**/*.haml'] : ARGV).each do |f|

  lines = IO.readlines(f)
  new_lines = []
  lines.each_with_index do |l, i|
    if l.match(/^\s*=\s*/) && lines[i-1] !~ /^\s*[\/%.=#-]/ && lines[i-1] && lines[i-1].strip.size > 0 && l !~ /\s*=\s*render/
      new_lines << l.sub('=', '~')
    else 
      new_lines << l
    end
  end
  File.open(f, "w") { |f| f << new_lines.join }
end