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        if sys.argv[1].startswith("err"):
14            print(sys.argv[1], file=sys.stderr)
15            sys.stderr.flush()
16        else:
17            print(sys.argv[1])
18            sys.stdout.flush()
19
20    while True:
21        typed = sys.stdin.readline()
22        if typed.startswith("quit"):
23            print("Goodbye!")
24            sys.stdout.flush()
25            break
26        if typed.startswith("echo "):
27            print(typed[5:-1])
28            sys.stdout.flush()
29        if typed.startswith("double "):
30            print(typed[7:-1] + "\nAND " + typed[7:-1])
31            sys.stdout.flush()
32        if typed.startswith("echoerr "):
33            print(typed[8:-1], file=sys.stderr)
34            sys.stderr.flush()
35        if typed.startswith("doubleerr "):
36            print(typed[10:-1] + "\nAND " + typed[10:-1], file=sys.stderr)
37            sys.stderr.flush()
38
39