pcapfile_info

#!/usr/bin/env python
"""
Command-line utility to dump information about a pcap file.
"""

import sys
from pcapfile import savefile


def pcap_info(pcap_file):
    """
    Main function to read and display information about a libpcap
    savefile.
    """
    with open(pcap_file, 'rb') as f:
        capfile = savefile.load_savefile(f, verbose=False)

    if capfile.valid:
        print(capfile)
    else:
        print('Invalid packet capture!')


if __name__ == '__main__':
    try:
        pcap_info(sys.argv[1])
    except Exception:
        print('Invalid or missing pcap file')
        sys.exit(1)