hxd decode text.py

import os

def is_ascii(s):
    return all(ord(c) < 128 for c in s)

def main():
    #remove file if exist
    filename = 'mem.txt'
    if os.path.exists(filename):
        os.remove('mem.txt')

    #ignore x90 and other read errors
    file = open('mem.dump','r',encoding='utf-8', errors='ignore' )

    myLines=file.readlines()
    str = "".join(myLines)

    with open('mem.txt','w') as f:
        for word in str.split("\x00\x00\x00"):
            if is_ascii(word) and len(word)>5:
                f.write(word.replace("\x00","")+"\n")
    file.close()

main()