Unique OR

unique_or.py

"""
To augment lines of a text file with an 'OR' logical operator

How to use:

1. Prepare a .txt file with line items to combine with 'OR'
2. Use the file name as argument for the script
3. This script would generate a text

"""

import sys


def main(argv):
    txt_list = []

    # file descriptor
    with open(argv[0], 'rt') as f:
        # file line loop
        for line in f:
            # remove white spaces around the text
            if line.strip():
                # append if unique
                if line.strip() not in txt_list:
                    txt_list.append(line.strip())

    # for better presentation, sort
    txt_list.sort()

    out_text = ' OR '.join(txt_list)

    print(out_text)


if '__main__' == __name__:
    main(sys.argv[1:])