another useful tool to diff histograms in root files
Usage: diff_ROOT_files.py file1.root file2.root
does not affect any other code, so merging now (used to check the output of "merge 5j", can be handy)
Usage: diff_ROOT_files.py file1.root file2.root
does not affect any other code, so merging now (used to check the output of "merge 5j", can be handy)