Python Forum

I am trying to read a file which contains ASCII values in the format: 072069076076079.

I can copy every three characters manually and pass it to the chr() function manually, but it is a big file and it can take a long time.

I want to read the file completely and separate every three characters and pass it to the chr() function.

so, what have you tried?

d = "072069076076079049050051"
for i in range(len(d)//3):
    print('{0}'.format(chr(int(d[i*3:i*3+3]))), end='')

This works, it prints "HELLO123".

with open('sample_ascii_file.txt', 'r') as f:
    data = f.read()
    print(data)

This prints the ASCII values, 072069076076079049050051.

with open('sample_ascii_file.txt', 'r') as f:
    data = f.read()
    print(chr(data))

It gives error (I want to read three characters at a time and then pass it to the chr() function).

In the first code container you gave an answer to your own question I think. I just don't get why you wouldn't apply it in the third container.

from textwrap import wrap # built-in module

with open('sample_ascii_file.txt', 'r') as f:
    # "Split string every nth character" - https://stackoverflow.com/a/48860937/4620679    
    text = ''.join( chr(int(s)) for s in wrap(f.read(), 3) ) 
    print(text)

# alternative (also posted in that stackoverflow topic)
# text = ''.join( [chr(int(data[i:i+3])) for i in range(0, len(data), 3)] )