text: import re as _re
  import os as _os
  
  import klemmbrett.util as _util
  
  
  def newline_to_comma_quoted(options, plugin):
      def n2cq():
          try:
              text = plugin.history.top
          except IndexError:
              return None
          return "'" + "','".join(_re.split(r"\s+", text.strip())) + "'"
      return n2cq
  
  
  def newline_to_comma(options, plugin):
      def n2c():
          try:
              text = plugin.history.top
          except IndexError:
              return None
          return text.strip().replace("\n", ",")
      return n2c
  
  
  def newline_to_space(options, plugin):
      def n2s():
          try:
              text = plugin.history.top
          except IndexError:
              return None
          return text.strip().replace("\n", " ")
      return n2s
  
  
  def fswalker(options, plugin):
      def walk(base = None):
          if base is None:
              base = options.get("base", _os.getenv("HOME"))
  
          for item in _os.listdir(base):
              if item.startswith("."):
                  continue
  
              path = _os.path.join(base, item)
              if _os.path.isfile(path):
                  yield (item, path)
              elif _os.path.isdir(path):
                  yield (item, _util.yieldwrap(walk, path))
  
      return walk
  