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~unity-2d-team/unity-2d/Shell-MultiMonitor 

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#!/usr/bin/env python
import sys
from grackle import client

class UserError(Exception):
    """An error caused by a user mistake."""

def main(*args):
    if len(args) != 1:
        raise UserError("Wrong number of arguments supplied.")
    client.put_message(args[0], sys.stdin)


if __name__ == '__main__':
    try:
        main(*sys.argv[1:])
        sys.exit(0)
    except UserError, e:
        sys.stderr.write(str(e) + '\n')
        sys.exit(1)