old_contents: #!/usr/bin/env python
  from __future__ import print_function
  import os
  from os import path
  import sys
  from pmagpy import pmag
  
  
  def main():
      try:
          from mpl_toolkits.basemap import basemap_datadir
      except:
          print("-E- Could not import the basemap module...")
      else:
          # allow user to specify what directory to find the data_files in
          custom_dir = pmag.get_named_arg_from_sys('-source-dir', default_val="")
          if os.path.isdir(custom_dir):
              data_dir = custom_dir
          # if user didn't specify a directory, find the etopo20 directory
          else:
              # if installed by pip, etopo20 is in sys.prefix
              pip_data_dir = os.path.join(sys.prefix, 'data_files', 'etopo20')
              if os.path.isdir(pip_data_dir):
                  data_dir = pip_data_dir
              else:
                  # if not installed by pip, etopo20 is in the local PmagPy directory
                  from pmagpy import find_pmag_dir
                  pmag_dir = find_pmag_dir.get_pmag_dir()
                  data_dir = os.path.join(pmag_dir, 'data_files', 'etopo20')
          # if none of those options worked, warn the user:
          if not os.path.isdir(data_dir):
              print("-W- Could not find data_files to copy in {}".format(data_dir))
              print("-I- You can run this program with the command line flag -source-dir to specify the location of the etopo20 directory.")
              print("-I- For example: 'install_etopo.py -source-dir ~/Python/PmagPy/data_files/etopo20'")
              return
          print("installing etopo20 files from ", path.join(data_dir, 'etopo20*'))
          print("to the basemap data directory: ",basemap_datadir)
          command = 'cp ' + path.join(data_dir, 'etopo20*')  + " "+ basemap_datadir
          os.system(command)
  
  if __name__ == "__main__":
      main()
  
new_contents: #!/usr/bin/env python
  from __future__ import print_function
  import os
  from os import path
  import sys
  from pmagpy import pmag
  
  
  def main():
      if '-h' in sys.argv:
          print("Some mapping utilities use the Etopo package for topography and these data sets do not come standard with the Python installation of Basemap.  To install these additional files, use: 'install_etopo.py'.")
          return
      try:
          from mpl_toolkits.basemap import basemap_datadir
      except:
          print("-E- Could not import the basemap module...")
      else:
          # allow user to specify what directory to find the data_files in
          custom_dir = pmag.get_named_arg_from_sys('-source-dir', default_val="")
          if os.path.isdir(custom_dir):
              data_dir = custom_dir
          # if user didn't specify a directory, find the etopo20 directory
          else:
              # if installed by pip, etopo20 is in sys.prefix
              pip_data_dir = os.path.join(sys.prefix, 'data_files', 'etopo20')
              if os.path.isdir(pip_data_dir):
                  data_dir = pip_data_dir
              else:
                  # if not installed by pip, etopo20 is in the local PmagPy directory
                  from pmagpy import find_pmag_dir
                  pmag_dir = find_pmag_dir.get_pmag_dir()
                  data_dir = os.path.join(pmag_dir, 'data_files', 'etopo20')
          # if none of those options worked, warn the user:
          if not os.path.isdir(data_dir):
              print("-W- Could not find data_files to copy in {}".format(data_dir))
              print("-I- You can run this program with the command line flag -source-dir to specify the location of the etopo20 directory.")
              print("-I- For example: 'install_etopo.py -source-dir ~/Python/PmagPy/data_files/etopo20'")
              return
          print("installing etopo20 files from ", path.join(data_dir, 'etopo20*'))
          print("to the basemap data directory: ",basemap_datadir)
          if sys.platform in ['win32', 'win64']:
              command = 'copy ' + path.join(data_dir, 'etopo20*')  + " "+ basemap_datadir
          else:
              command = 'cp ' + path.join(data_dir, 'etopo20*')  + " "+ basemap_datadir
          os.system(command)
  
  if __name__ == "__main__":
      main()
  
subject: add -h option, make copy work for Windows