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

0 vote199 views4 answers
Python n choose r
Python
4 votes216 views3 answers
How to duplicate a list in python
Python
0 vote210 views1 answer
Could not build wheels for opencv-python which use PEP 517 and cannot be installed directly
Python
0 vote239 views1 answer
From flask import Flask app = Flask(__name__) @app.route('/',methods = ('GET')) def home(): return ('Hello World!!1') if __name__== '_main_': app.run()
Python Flask
0 vote187 views1 answer
Ansible playbook to set passwordless sudo
Python
3 votes238 views3 answers
Simple jwt django
Python
0 vote280 views1 answer
C="He is {} and he is {}".format(a,b) python
Python
0 vote229 views1 answer
Module not found after sucessful install
Python
1 vote200 views1 answer
Drop every other column pandas
Python
-1 vote215 views1 answer
Python beautifulsoup get attibute
Python