Python remove empty lines

Remove empty lines from file python

with open("new_file","r") as f:
 for i in f.readlines():
       if not i.strip():
           continue
       if i:
           print i,

Source: stackoverflow.com

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)

Source: grepper.com

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