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

41 votes166 views3 answers
Python - sort dictionary by value
Python
0 vote181 views2 answers
Operator in django query
Python
0 vote166 views1 answer
Compute difference of all the combinations of 2 arrays
Python
0 vote185 views1 answer
Python child class init
Python
9 votes197 views2 answers
Keras model save
Python
0 vote170 views1 answer
Get output from transaction in brownie
Python
6 votes203 views1 answer
Pandas standard deviation on column
Python
0 vote163 views1 answer
Extract a jar py
Python
1 vote232 views1 answer
Delete a record by id in flask sqlalchemy
Python Flask
0 vote177 views1 answer
Windows error message python
Python