#! /usr/bin/env python

# Python interface to the Internet finger daemon.

#

# Usage: finger [options] [user][@host] ...

#

# If no host is given, the finger daemon on the local host is contacted.

# Options are passed uninterpreted to the finger daemon!

import sys, string

from socket import *

# Hardcode the number of the finger port here.

# It's not likely to change soon...

#

FINGER_PORT = 79

# Function to do one remote finger invocation.

# Output goes directly to stdout (although this can be changed).

#

def finger(host, args):

    s = socket(AF_INET, SOCK_STREAM)

    s.connect((host, FINGER_PORT))

    s.send(args + '\n')

    while 1:

        buf = s.recv(1024)

        if not buf: break

        sys.stdout.write(buf)

    sys.stdout.flush()

# Main function: argument parsing.

#

def main():

    options = ''

    i = 1

    while i < len(sys.argv) and sys.argv[i][:1] == '-':

        options = options + sys.argv[i] + ' '

        i = i+1

    args = sys.argv[i:]

    if not args:

        args = ['']

    for arg in args:

        if '@' in arg:

            at = string.index(arg, '@')

            host = arg[at+1:]

            arg = arg[:at]

        else:

            host = ''

        finger(host, options + arg)

# Call the main function.

#

main()