sims
# this code node loops over the folders that are 
# connected to the sims terminal. From the DOE node
# this may be all runs, completed runs or selected
# runs. the data file should contain only one 
# response value.
#
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)
    f.append(float(fii))
  else:
    f.append(-1.0)
returnOut = f