docs: def whitespace_smart_split(command):
      """
      Split a command by whitespace, taking care to not split on
      whitespace within quotes.
  
      >>> whitespace_smart_split("test this \\\"in here\\\" again")
      ['test', 'this', '"in here"', 'again']
  
      """
      return_array = []
      s = ""
      in_double_quotes = False
      escape = False
      for c in command:
          if c == '"':
              if in_double_quotes:
                  if escape:
                      s += c
                      escape = False
                  else:
                      s += c
                      in_double_quotes = False
              else:
                  in_double_quotes = True
                  s += c
          else:
              if in_double_quotes:
                  if c == '\\':
                      escape = True
                      s += c
                  else:
                      escape = False
                      s += c
              else:
                  if c == ' ':
                      return_array.append(s)
                      s = ""
                  else:
                      s += c
      if s != "":
          return_array.append(s)
      return return_array