├── README.md
├── LICENSE
└── shuffle.py


/README.md:
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1 | # textutil-shuffle-file
2 | Randomly shuffle lines in a text file
3 | 


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/LICENSE:
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 1 | MIT License
 2 | 
 3 | Copyright (c) 2016 floydhub
 4 | 
 5 | Permission is hereby granted, free of charge, to any person obtaining a copy
 6 | of this software and associated documentation files (the "Software"), to deal
 7 | in the Software without restriction, including without limitation the rights
 8 | to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 9 | copies of the Software, and to permit persons to whom the Software is
10 | furnished to do so, subject to the following conditions:
11 | 
12 | The above copyright notice and this permission notice shall be included in all
13 | copies or substantial portions of the Software.
14 | 
15 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 | IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 | FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
18 | AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19 | LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
20 | OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
21 | SOFTWARE.
22 | 


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/shuffle.py:
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 1 | from __future__ import absolute_import, division, print_function, unicode_literals
 2 | import argparse
 3 | import random
 4 | 
 5 | def str2bool(val):
 6 |     """
 7 |     Helper method to convert string to bool
 8 |     """
 9 |     if val is None:
10 |         return False
11 |     val = val.lower().strip()
12 |     if val in ['true', 't', 'yes', 'y', '1', 'on']:
13 |         return True
14 |     elif val in ['false', 'f', 'no', 'n', '0', 'off']:
15 |         return False
16 | 
17 | def main():
18 |     """
19 |     Randomly shuffles the lines in a file
20 |     """
21 | 
22 |     # Parse command line args
23 |     parser = argparse.ArgumentParser(description='Randomly shuffle lines in file')
24 | 
25 |     parser.add_argument(
26 |         '-i', '--input', required=True,
27 |         help='Path to input file')
28 |     parser.add_argument(
29 |         '-header', '--hasheader', required=False, type=str2bool,
30 |         default='False', help='File has header row?')
31 |     parser.add_argument('-o', '--output', required=True, help='Path to output file')
32 | 
33 |     args = parser.parse_args()
34 | 
35 |     # Convert args to dict
36 |     vargs = vars(args)
37 | 
38 |     print("\nArguments:")
39 |     for arg in vargs:
40 |         print("{}={}".format(arg, getattr(args, arg)))
41 | 
42 |     # Read the input file
43 |     with open(args.input, 'r') as inputfile:
44 |         with open(args.output, 'w') as outputfile:
45 |             print("\nProcessing input")
46 | 
47 |             # If has header, write it unprocessed
48 |             if args.hasheader:
49 |                 headers = inputfile.readline()
50 |                 if headers:
51 |                     outputfile.write(headers)
52 | 
53 |             lines = inputfile.readlines()
54 |             random.shuffle(lines)
55 |             outputfile.writelines(lines)
56 | 
57 |     print("\nDone. Bye!")
58 | 
59 | if __name__ == '__main__':
60 |     main()


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