/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

0 vote205 views1 answer
Pandas define how you want to aggregate each column
Python
0 vote267 views1 answer
Multiplication table for number python codewars
Python
0 vote262 views1 answer
Python how to get current line number
Python
11 votes221 views3 answers
How to send a message in a specific channel discord.py
Python
0 vote208 views1 answer
File "demo_indentation_test.py", line 2 print("Five is greater than two!") ^ IndentationError: expected an indented block
Python
0 vote252 views1 answer
Where to import render in django
Python Django
0 vote207 views1 answer
Boolean meaning in python
Python
1 vote219 views1 answer
Grouping products for sales
Python
5 votes217 views1 answer
How to print items in a list in a single line python
Python
6 votes219 views4 answers
Argparse required arguments
Python