clang/tools/libclang/linker-script-to-export-list.py

import re
import os
import sys

input_file = open(sys.argv[1])
output_file = open(sys.argv[2], 'w')

for line in input_file:
    m = re.search('^\s+(clang_[^;]+)', line)
    if m:
        output_file.write(m.group(1) + "\n")