import glob, sys, os, string, io, ROOT, math, argparse
from ROOT import std 

parser=argparse.ArgumentParser(description='produce histogramms for comparison between sim and real data')
parser.add_argument('pathData',help='path to the Data Ana Files',type=str)
parser.add_argument('pathSim',help='path to the Sim Ana Files',type=str)
parser.add_argument('--file',help='outfile',type=str,default="")
parser.add_argument('--pdir',help='path to the pics',type=str,default="")


args=parser.parse_args()

bla=0

DataList = os.listdir(args.pathData)
DataList.sort()
print DataList
SimList =os.listdir(args.pathSim)
SimList.sort()


for files in SimList:
    if files == ".svn":
        continue 

    outfname=files[:-8] + "_Histo.txt"
    os.environ['outfname']=str(outfname)
   
    Datafile=args.pathData + DataList[0]
    Simfile=args.pathSim + files
    print Datafile
    print Simfile
    os.environ['Datafile']=str(Datafile)
    os.environ['Simfile']=str(Simfile)
    os.environ['pdir']=str(args.pdir)
    os.system('. macro/tpc/FOPI/vwalbre/Batch/CompareDataSim.sh')