/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 vote340 views2 answers
How to download excel file with password from online python
Python
0 vote336 views1 answer
Comparison of two csv file and output with differences?
Python
1 vote388 views3 answers
Making ckeditor django responsive
Python Django
0 vote336 views1 answer
Index of a string index dataframe
Python
0 vote323 views1 answer
How to add some thing in python list
Python
0 vote324 views1 answer
Nornir config file
Python
1 vote336 views1 answer
Resample and replace with mean in python
Python
0 vote335 views1 answer
Connect a mean value to histogram pandas
Python
0 vote307 views1 answer
Custom django password checker
Python
-1 vote352 views1 answer
AttributeError: 'list' object has no attribute 'dtypes'
Python