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

parser=argparse.ArgumentParser(description='Read distortion files from a folder ')
parser.add_argument('path',help='path to distortion',type=str)
parser.add_argument('--name',help='name of the folder',type=str)
parser.add_argument('--pathMC',help='pathMC',type=str)
parser.add_argument('--vari',help='variation parameter (point in file)',type=int)
args=parser.parse_args()


ROOT.gROOT.ProcessLine(".x rootlogon.C") 
nEvents=10000


os.environ['nEvents']=str(nEvents)

dirList = os.listdir(args.path)
dirList.sort()

for dist in dirList:
    name=args.name + "_"+dist[args.vari:args.vari+6]
    #name=args.name + "_"+str(counter)
    distFile=args.path + dist
    os.environ['distFile']=str(distFile)
    os.environ['name']=str(name)
    os.environ['pathMC']=str(args.pathMC)
    os.environ['dist']=str(dist)
    os.system('. macro/tpc/FOPI/vwalbre/dosim.sh')