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            if sys.argv[1].startswith("quit"):
20                sys.exit(0)
21
22    while True:
23        typed = sys.stdin.readline()
24        if typed.startswith("quit"):
25            print("Goodbye!")
26            sys.stdout.flush()
27            break
28        if typed.startswith("echo "):
29            print(typed[5:-1])
30            sys.stdout.flush()
31        if typed.startswith("double "):
32            print(typed[7:-1] + "\nAND " + typed[7:-1])
33            sys.stdout.flush()
34        if typed.startswith("echoerr "):
35            print(typed[8:-1], file=sys.stderr)
36            sys.stderr.flush()
37        if typed.startswith("doubleerr "):
38            print(typed[10:-1] + "\nAND " + typed[10:-1], file=sys.stderr)
39            sys.stderr.flush()
40
41