#!/usr/bin/env python

'''A program to create tar files from a file or directory.'''

import sys
import os
from anuga.utilities.system_tools import tar_file

# assumed program name - refreshed from command line args
Prog_Name = 'tar_file.py'

# print usage info. and exit
def usage():
    print 'usage: %s <tarfile> <file1> [<file2>, ...]' % Prog_Name
    print 'where <tarfile> is the path to the tar file to create,'
    print '      <file?>   is the path to a file or  directory to include.'
    sys.exit(10)

# get program name
# does this work on  Windows?
Prog_Name = os.path.basename(sys.argv[0])

# check args
if len(sys.argv) < 2:
    usage()

# create the tarred/compressed file
tar_file(sys.argv[2:], sys.argv[1])