Python replace string in file

Python find and replace string in file

# Read in the file
with open('file.txt', 'r') as file :
  filedata = file.read()

# Replace the target string
filedata = filedata.replace('ram', 'abcd')

# Write the file out again
with open('file.txt', 'w') as file:
  file.write(filedata)

Source: stackoverflow.com

Python replace string in file

#input file
fin = open("data.txt", "rt")
#output file to write the result to
fout = open("out.txt", "wt")
#for each line in the input file
for line in fin:
	#read replace the string and write to output file
	fout.write(line.replace('pyton', 'python'))
#close input and output files
fin.close()
fout.close()

Source: pythonexamples.org

Change part of a text file python

#!/usr/bin/env python3
import fileinput

with fileinput.FileInput(filename, inplace=True, backup='.bak') as file:
    for line in file:
        print(line.replace(text_to_search, replacement_text), end='')

Source: stackoverflow.com

Similar codes

24 votes139 views2 answers
How to find the data type in python
Python
0 vote140 views1 answer
Old Handler API is deprecated - see https://git.io/fxJuV for details
Python
0 vote160 views1 answer
Main() invalid syntax
Python
2 votes139 views1 answer
Check if camera is being used python
Python
29 votes200 views6 answers
Append list python
Python
5 votes139 views2 answers
Python append to csv on new line
Python
158 votes236 views3 answers
Traversing dictionary in python
Python
0 vote101 views1 answer
How to use tkinter in google colab
Python
7 votes159 views2 answers
Tkinter button command with arguments
Python
5 votes143 views1 answer
Python random from normal distribution
Python