mykakikomi.py

#!/usr/bin/env python
# -*- coding: utf-8 -*-

import sys
id = sys.argv[1]
dat = sys.argv[2]
abn = dat.replace(".dat",".abn")

with open(dat) as f:
    lines = f.readlines()
mylines = [i+1 for i, line in enumerate(lines) if id in line]

with open(abn, "r+b") as b:
    j = 0
    while True:
        j += 1
        d = b.read(1)
        if len(d) == 0:
            while j <= len(lines):
                if j in mylines:
                    b.write(b"\x08")
                else:
                    b.write(b"\x00")
                j += 1
            break
        if j in mylines:
            b.write(b"\x08")