Find out how to Get the Variety of Traces in a File in Python

If you have to get the variety of strains in a file, or the road rely complete from a file, utilizing Python, then you should utilize one of many following choices:

Choice 1 – Utilizing open() and sum()

with open('listing/file.txt') as myfile:
    total_lines = sum(1 for line in myfile)

print(total_lines)

Choice 2 – Utilizing mmap

import mmap

with open('listing/file.txt', "r+") as myfile:
    mm = mmap.mmap(myfile.fileno(), 0)
    total_lines = 0

    whereas mm.readline():
        total_lines += 1

print(total_lines)

Choice 3 – Utilizing file.learn()

strains = 0
dimension = 1024 * 1024

with open(r'listing/file.txt', "r+") as myfile:
    read_file = myfile.learn

    buffer = read_file(dimension)
    
    whereas buffer:
        strains += buffer.rely('n')
        buffer = read_file(dimension)

if (strains != 0):
    strains += 1

print(strains)