text: # This is a sample commands.py.  You can add your own commands here.
  #
  # Please refer to commands_full.py for all the default commands and a complete
  # documentation.  Do NOT add them all here, or you may end up with defunct
  # commands when upgrading ranger.
  
  # A simple command for demonstration purposes follows.
  # -----------------------------------------------------------------------------
  
  from __future__ import absolute_import, division, print_function
  
  # You can import any python module as needed.
  import os
  
  # You always need to import ranger.api.commands here to get the Command class:
  from ranger.api.commands import Command
  
  
  # Any class that is a subclass of "Command" will be integrated into ranger as a
  # command.  Try typing ":my_edit<ENTER>" in ranger!
  class my_edit(Command):
      # The so-called doc-string of the class will be visible in the built-in
      # help that is accessible by typing "?c" inside ranger.
      """:my_edit <filename>
  
      A sample command for demonstration purposes that opens a file in an editor.
      """
  
      # The execute method is called when you run this command in ranger.
      def execute(self):
          # self.arg(1) is the first (space-separated) argument to the function.
          # This way you can write ":my_edit somefilename<ENTER>".
          if self.arg(1):
              # self.rest(1) contains self.arg(1) and everything that follows
              target_filename = self.rest(1)
          else:
              # self.fm is a ranger.core.filemanager.FileManager object and gives
              # you access to internals of ranger.
              # self.fm.thisfile is a ranger.container.file.File object and is a
              # reference to the currently selected file.
              target_filename = self.fm.thisfile.path
  
          # This is a generic function to print text in ranger.
          self.fm.notify("Let's edit the file " + target_filename + "!")
  
          # Using bad=True in fm.notify allows you to print error messages:
          if not os.path.exists(target_filename):
              self.fm.notify("The given file does not exist!", bad=True)
              return
  
          # This executes a function from ranger.core.acitons, a module with a
          # variety of subroutines that can help you construct commands.
          # Check out the source, or run "pydoc ranger.core.actions" for a list.
          self.fm.edit_file(target_filename)
  
      # The tab method is called when you press tab, and should return a list of
      # suggestions that the user will tab through.
      # tabnum is 1 for <TAB> and -1 for <S-TAB> by default
      def tab(self, tabnum):
          # This is a generic tab-completion function that iterates through the
          # content of the current directory.
          return self._tab_directory_content()
  