使用 Python 3.x 删除文本文件中的所有空格 [英] Removing all spaces in text file with Python 3.x

问题描述

所以我的爬虫制作了这个疯狂的长文本文件，它出于某种原因在链接之间添加了一些空格，如下所示:

So I have this crazy long text file made by my crawler and it for some reason added some spaces inbetween the links, like this:

https://example.com/asdf.html                                (note the spaces)
https://example.com/johndoe.php                              (again)

我想摆脱它，但保留新行.请记住，文本文件有 4.000 多行长.我试着自己做，但我不知道如何遍历文件中的新行.

I want to get rid of that, but keep the new line. Keep in mind that the text file is 4.000+ lines long. I tried to do it myself but figured that I have no idea how to loop through new lines in files.

推荐答案

好像不能直接编辑python文件，所以我的建议是:

Seems like you can't directly edit a python file, so here is my suggestion:

# first get all lines from file
with open('file.txt', 'r') as f:
    lines = f.readlines()

# remove spaces
lines = [line.replace(' ', '') for line in lines]

# finally, write lines in the file
with open('file.txt', 'w') as f:
    f.writelines(lines)

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