text: #!/usr/bin/env python
  """
  
  Usage:
    list_samples.py [options] DIR
  
  Options:
    -h,--help  Show this message and exit.
  
  """
  from __future__ import print_function
  
  import os,sys
  from glob import glob
  from docopt import docopt
  
  def uniq(arr):
      newarr = []
      for a in arr:
          if not a in newarr:
              newarr.append(a)
      return newarr
  
  
  if __name__ == "__main__":
  
      args = docopt(__doc__)
  
      dname = args['DIR']
      
      smpls = glob(dname+"/smpl_*")
      for i in range(len(smpls)):
          smpls[i] = smpls[i].split('/')[-1][5:-6]
      uniq_smpls = uniq(smpls)
      uniq_smpls.sort()
      print('sample_error   {0:d}'.format(len(uniq_smpls)))
      for s in uniq_smpls:
          print('{0:>20s}  0.001  0.1'.format(s))
  
  
  