#!/usr/bin/python3
"""Emulate dpkg --info package.deb control-file"""

from __future__ import print_function

import sys

from apt_inst import DebFile


def main():
    """Main function."""
    if len(sys.argv) < 3:
        print("Usage: tool file.deb control-file\n", file=sys.stderr)
        sys.exit(0)
    fobj = open(sys.argv[1])
    try:
        print(DebFile(fobj).control.extractdata(sys.argv[2]))
    finally:
        fobj.close()


if __name__ == "__main__":
    main()