如何在读取文件期间从每一行中删除换行符? [英] How to strip newlines from each line during a file read?

问题描述

我正在从包含一个[*]单词/行的文件中读取行，例如:

I'm reading lines from a file that contains one[*] word/line, such as:

dog
cat
person
tree

每个单词还包含换行符\n字符.我想将它们读入列表并丢弃换行符.我设计的方法是使用readlines()进行读取，然后将列表处理为strip()换行符:

Each of these words also contains a newline \n character. I want to read them into a list and throw away the newlines. The way I've devised is to read with readlines() and then process the list to strip() the newlines:

with open('words.txt') as f:
    words = f.readlines()

for index, word in enumerate(words):
    words[index] = word.strip()

这很好，但是我不禁想到有一种更有效的方法，可以在读取过程中删除换行符.但是我找不到办法.有没有更有效的方法(同时还考虑了可读性等)

This works fine, but I can't help thinking there's a more efficient way to do this, to strip the newlines during the read process. But I can't find a way. Is there something more efficient (while also considering readability, etc.)

[*]更新:我应该提到有些行可能包含多个单词，但是在那些情况下，一行中的很多单词应该放在一个列表项中.到目前为止，两个答案都可以解决此问题(我自己的代码也可以)，但我想提一提.

[*] UPDATE: I should have mentioned that some lines may contain more than one word, and in those cases however many words are on a line should go into a single list item. Both answers so far handle this (as does my own code), but I wanted to mention it.

推荐答案

您可以使用列表理解:

with open('words.txt') as f:
    words = [word.strip() for word in f]

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