sims
# same as one_file_per_dir_0, but not assuming 
# only one entry in the data file.
#
import os
import numpy as np
sims.sort()

f = []
for ii in sims:
  outputFile = os.path.join(ii, 'data.txt')
  if os.path.exists(outputFile):
    fii = np.loadtxt(outputFile, skiprows = 1, usecols = 1)
    f.append(float(fii))
  else:
    f.append(-1.0)
returnOut = f