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#!/usr/bin/env python
from subprocess import check_call
from os.path import split, splitext, join
import os
if __name__ == '__main__':
import argparse
parser = argparse.ArgumentParser("script to convert full GENIE root files to the reduced gst ROOT format")
parser.add_argument("filenames", nargs="+", help="GENIE root files")
parser.add_argument("--dest", required=True, help="destination directory")
args = parser.parse_args()
for filename in args.filenames:
head, tail = split(filename)
root, ext = splitext(tail)
output = join(args.dest, root) + ".ntuple.root"
cmd = ["gntpc","-f","gst","-i",filename,"-o",output]
print(" ".join(cmd))
with open(os.devnull,"w") as devnull:
check_call(cmd, stdout=devnull, stderr=devnull)
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