1import re 2import os 3import sys 4 5input_file = open(sys.argv[1]) 6output_file = open(sys.argv[2], "w") 7 8for line in input_file: 9 m = re.search("^\s+(clang_[^;]+)", line) 10 if m: 11 output_file.write(m.group(1) + "\n") 12