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)python replace part in large file
for file in files:
fname = os.path.join(dir, file)
inFile = codecs.open(fname, "r", "utf-8")
outFile = codecs.open(fname + ".new", "w", "utf-8")
for line in inFile:
newline = do_replacements_on(line)
outFile.write(newline)
inFile.close()
outFile.close()
os.rename(fname + ".new", fname)Copyright © 2021 Codeinu
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