/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

4 votes153 views2 answers
Python get time milliseconds
Python
-1 vote148 views1 answer
Convert byte to string pytgon
Python
34 votes158 views2 answers
Update string in python
Python
0 vote218 views1 answer
Form data postman don't work
Python
0 vote154 views1 answer
How t o add dataframe python
Python
19 votes142 views1 answer
10 minute timer
Python
0 vote168 views1 answer
Django pass list of fields to values
Python
0 vote152 views1 answer
Python numpy find nearest value
Python
30 votes172 views6 answers
With open python
Python
1 vote150 views1 answer
Wxpython make window stay on top
Python