how to delete everything on a file python
f = open('file.txt', 'r+')
f.truncate(0) # need '0' when using r+how to delete everything on a file python
f = open('file.txt', 'r+')
f.truncate(0) # need '0' when using r+python remove empty lines from file
import os
def remove_empty_lines(filename):
if not os.path.isfile(filename):
print("{} does not exist ".format(filename))
return
with open(filename) as filehandle:
lines = filehandle.readlines()
with open(filename, 'w') as filehandle:
lines = filter(lambda x: x.strip(), lines)
filehandle.writelines(lines)Copyright © 2021 Codeinu
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