list_transfer

#! /usr/bin/python
import sys
from optparse import OptionParser

def remove_task_length(input_filename, output_filename):
	with open(output_filename, 'w') as output_file:
		with open(input_filename) as input_file:
			for line in input_file:
				first_space = line.find(' ', 0)
				task_id = line[:first_space]
				second_space = line.find(' ', first_space + 1)
				task_length = line[first_space + 1:second_space]
				right_brace = line.find(']', second_space + 1)
				task_dependency = line[second_space + 1:right_brace + 1]
				task_dependency = task_dependency.replace(' ', '')
				output_file.write("%s %s\n" % (task_id, task_dependency))	

def main():
	#Problem: extension support incremental download
	parser = OptionParser(usage="usage: %prog [options] taskfile",
						version="%prog 1.0")
	parser.add_option("-o", "--output",
					action="store",
					help="The output filename")
	(options, args) = parser.parse_args()

	output_filename = options.output
	input_filename = filename = sys.argv[-1]
	remove_task_length(input_filename, output_filename)

if __name__ == "__main__":
	main()