1#!/usr/bin/python
2#
3# Server that will communicate over stdin/stderr
4#
5# This requires Python 2.6 or later.
6
7from __future__ import print_function
8import sys
9
10if __name__ == "__main__":
11
12    if len(sys.argv) > 1:
13        print(sys.argv[1])
14
15    while True:
16        typed = sys.stdin.readline()
17        if typed.startswith("quit"):
18            print("Goodbye!")
19            sys.stdout.flush()
20            break
21        if typed.startswith("echo "):
22            print(typed[5:-1])
23            sys.stdout.flush()
24        if typed.startswith("double "):
25            print(typed[7:-1] + "\nAND " + typed[7:-1])
26            sys.stdout.flush()
27        if typed.startswith("echoerr "):
28            print(typed[8:-1], file=sys.stderr)
29            sys.stderr.flush()
30        if typed.startswith("doubleerr "):
31            print(typed[10:-1] + "\nAND " + typed[10:-1], file=sys.stderr)
32            sys.stderr.flush()
33
34