difforsame.py

import argparse

if __name__ == '__main__':
    parser = argparse.ArgumentParser()
    parser.add_argument('file', action='store', type=str, help='The file to compare to')
    parser.add_argument('file1', action='store', type=str, help='Compares items in this to see if the are in file')
    parser.add_argument('-of', action='store', type=str, default='difforsameout.txt', help='File to output to. Default=difforsameout.txt')
    parser.add_argument('-s', action='store_true', default=False, help='Silence the console output')
    parser.add_argument('-o', action='store', type=str, default='inboth', choices=['inboth', 'diff'], help='inboth looks for items that are in both file and file1. diff looks for items that are in file1 but not in file. Default=inboth')
    options = parser.parse_args()

    with open(options.file, 'r') as f:
        dat = f.readlines()
        f.close()
    
    with open(options.file1, 'r') as f:
        dat1 = f.readlines()
        f.close()
    
    dat1_cleaned = []
    dat_cleaned = []
    end_dat = []
    
    for item in dat1:
        item = item.replace("\r", "")
        dat1_cleaned.append(item.replace("\n", ""))
    
    for item in dat:
        item = item.replace("\r", "")
        dat_cleaned.append(item.replace("\n", ""))
    
    if options.o == 'inboth':
        for item in dat1_cleaned:
            if item in dat_cleaned:
                end_dat.append(item)
    else:
        for item in dat1_cleaned:
            if item not in dat_cleaned:
                end_dat.append(item)
    
    if options.s == False:
        for item in end_dat:
            print(item)
    
    if options.of is not None:
        with open(options.of, 'w') as f:
            for item in end_dat:
                f.write(item + '\n')