old_contents: import matplotlib.pyplot as plt
  import os
  
  def save_all_figs(directory = './', fmt = None, 
      default_name = 'untitled%i'):
      """
      Save all open Figures to a given directory, possbily in numerous 
      file formats
      
      Parameters
      ------------
      directory : str
          path to save figures into
      fmt : str, list of strs, or None
          the types of formats to save figures as. The elements of this
          list are passed to matplotlib's `savefig`. see example.
      default_name : str
          the default filename to use if plot has no title. must contain 
          a '%i' for the figure number
      
      Examples
      --------
      >>> save_all_figs('plots/', fmt=['pdf','png'])
      
      """
      
      for fignum in plt.get_fignums():
          try:
              # try to get title of figure(fignum)
              filename = plt.figure(fignum).get_axes()[0].get_title()
              
              # create filename if title doesnt exist
              if filename == '':
                  filename = default_name % fignum
                      
              savename = os.path.join(directory, filename)
      
              if fmt is None:
                  # get default format from rcParams
                  ## FIX would prefer this but i couldnt find the correct key
                  # fmt = plt.rcParams['savefig.extension']
                  ## /FIX
                  fmt = 'png'
              
              if isinstance(fmt, basestring):
                  # force string into list of strings
                  fmt = [fmt]
              
              for a_fmt in fmt:
                  plt.savefig(savename + '.' + a_fmt)
                  print ('Saved \'%s\' '% (savename + '.' + a_fmt))
          
          except(IndexError):
              # figure has no axes to get, dont save it
              pass
          
  
  
new_contents: import matplotlib.pyplot as plt
  import os
  
  def save_all_figs(directory = './', fmt = None, 
      default_name = 'untitled%i'):
      """
      Save all open Figures to a given directory, possbily in numerous 
      file formats
      
      Parameters
      ------------
      directory : str
          path to save figures into
      fmt : str, list of strs, or None
          the types of formats to save figures as. The elements of this
          list are passed to matplotlib's `savefig`. see example.
      default_name : str
          the default filename to use if plot has no title. must contain 
          a '%i' for the figure number
      
      Examples
      --------
      >>> save_all_figs('plots/', fmt=['pdf','png'])
      
      """
      
      for fignum in plt.get_fignums():
          try:
              # try to get title of figure(fignum)
              filename = plt.figure(fignum).get_axes()[0].get_title()
              
              # create filename if title doesnt exist
              if filename == '':
                  filename = default_name % fignum
                      
              savename = os.path.join(directory, filename)
      
              if fmt is None:
                  # get default format from rcParams
                  fmt = plt.rcParams.get('savefig.extension','png')
              
              if isinstance(fmt, basestring):
                  # force string into list of strings
                  fmt = [fmt]
              
              for a_fmt in fmt:
                  plt.savefig(savename + '.' + a_fmt)
                  print ('Saved \'%s\' '% (savename + '.' + a_fmt))
          
          except(IndexError):
              # figure has no axes to get, dont save it
              pass
          
  
  
subject: fix rcParams get savefig.extensions, to support existent and non-existent keys.