/Python/Python find and 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

Similar codes

3 votes138 views3 answers
Python create dictionary from csv
Python
85 votes148 views6 answers
For python
Python
0 vote138 views1 answer
How to make a world wide web server python
Python
2 votes139 views1 answer
ValueError: Found array with dim 3. Estimator expected <= 2.
Python
0 vote156 views1 answer
Python array sorting
Python
0 vote166 views1 answer
Apa itu duck typing python
Python
0 vote143 views1 answer
Ia
Python
0 vote139 views1 answer
K-means clustering and disabling clusters
Python
0 vote131 views1 answer
UserWarning: Failed to initialize NumPy: numpy.core.multiarray failed to import (Triggered internally at
Python
10 votes213 views6 answers
How to show a progress bar in python
Python