Python removing lines that contain more then one tilde

Question

I'm kind've stuck on this problem! I have a massive text file (3 million lines or so) and I need to remove any lines that contain more then one tilde. Could someone be as kind to help me out! Please and thank you .

Here is what I have so far:

import re 

f_in = 'C:\\Users\\John\\Documents\\Python\\Pagelinks\\pagelinkSample_10K_cleaned2.txt'

f_out = 'C:\\Users\\John\\Documents\\Python\\Pagelinks\\pagelinkSample_10K_cleaned3.txt'

with open(f_in, 'r') as fin: 

        with open(f_out, 'w') as fout: 

              for line in fin:

stuck here, i'm thinking if line count for tilde contains more then one delete line?

Thanks!

Why use python when `grep -v '~~'` does the job? – Phil Frost Mar 24 '16 at 02:07 — Phil Frost, Mar 24 '16 at 02:07

hilberts_drinking_problem · Answer 1 · 2016-03-24T02:13:45.183

3

for line in fin:
    if line.count('~') < 2:
        fout.write(line)

edited Mar 24 '16 at 02:13

answered Mar 24 '16 at 02:07

hilberts_drinking_problem

11,322
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Suggestion: `if line.count('~') < 2:`, and remove the `continue`. – Sci Prog Mar 24 '16 at 02:11

Python removing lines that contain more then one tilde

1 Answers1