/Python/Python code to replace first value of txt file

Python code to replace first value of txt file

import os

for filename in os.listdir(os.getcwd()):
    if filename.endswith(".txt"):
            with open('{}' .format(filename), 'r+') as file:
                lines = file.readlines()
                file.seek(0, 0) #set the pointer to 0,0 cordinate of file
                for line in lines:
                    row = line.strip().split(" ")

                    if not int(row[0]):
                        row[0] = '1'
                        print(row)
                        file.write(" ".join(row) + "\n")

Source: stackoverflow.com

Similar codes

34 votes247 views6 answers
Flask example
Python
0 vote272 views3 answers
Duck typing in python
Python
19 votes245 views3 answers
Python list with all letters
Python
0 vote276 views1 answer
Python remove dtype from array
Python
10 votes268 views3 answers
How to make a rect in pygame
Python
0 vote293 views1 answer
Lazada link
Python
0 vote253 views1 answer
Qubesos
Python
0 vote246 views1 answer
How to replace an element of a list using list comprehension
Python
6 votes256 views2 answers
Jupyter display all columns
Python
0 vote267 views1 answer
Replace nan in pandas column with mode and printing it
Python