Moves files with numbers in the file to subfolder.

mover.py

#!/usr/bin/env python3

import argparse
import os
from sys import argv

parser = argparse.ArgumentParser()
parser.add_argument("file", help='file with shots numbers')
parser.add_argument("folder", help='folder to scan')
args = parser.parse_args()

FILE_WITH_NUMBERS = argv[1]
TMP_FILE = '/tmp/nums.txt'
DIR = argv[2]
CONVERTING = DIR + '/for_processing/'


def replace():
    with open(TMP_FILE, 'w') as o, open(FILE_WITH_NUMBERS, 'r') as i:
        for line in i:
            if not line.startswith('IMG'):
               o.write('IMG_' + line.rstrip('\n') + '.CR2' + '\n')

    if os.stat(TMP_FILE).st_size != 0:
        os.rename(TMP_FILE, FILE_WITH_NUMBERS)
    else: 
        os.remove(TMP_FILE)

    return [line.strip() for line in open(FILE_WITH_NUMBERS)]


def move(nums):
    for root, dirs, files in os.walk(DIR):
        if not os.path.exists(CONVERTING):
            os.mkdir(CONVERTING)
        for f in files:
            if f in nums:
                os.rename(DIR + f, CONVERTING + f)


if __name__ == '__main__':
    if not DIR.endswith('/'):
        DIR = DIR + '/'
    move(replace())