Thor task to remove BOM from UTF-8 files

unbomb.thor

# Remove BOM from UTF-8 file
def unbomb(file)
  string = File.open(file, 'r:utf-8').read().encode!('utf-8')

  if string.start_with?("\uFEFF")
    string.sub!(/\uFEFF/, '') # Remove the BOM
    create_file file, string, {:force => true, :verbose => false}
  end
end