#!/usr/bin/python -S

"""Run a command split across multiple lines."""

# TODO(rofrankel): Replace this with a C program.

import os
import sys

USAGE = """usage:

run_command_lines filename
"""

if len(sys.argv) != 2:
  print >> sys.stderr, USAGE
  sys.exit(127)

filename = sys.argv[1]
if not os.path.isfile(filename):
  print >> sys.stderr, '%r does not exist' % filename
  sys.exit(126)

command = open(filename).read().splitlines()
os.execvp(command[0], command)