如何在c#中读取文本文件中的多行? [英] how to read multi lines in text file in c#?

问题描述

我喜欢阅读检查文本是多行还是单行，然后我要阅读多行并转换为单行我该怎么做?

i like to read check the text has multi line or single line and then i am going to read that multi lines and convert into single line how can i do this?

推荐答案

您真的不需要检查，因为 File.ReadAllLines() 将始终返回一个字符串数组，而不管行数如何.您可以利用该行为，只需将返回的数组与您选择的分隔符连接起来.

You really do not need to check as File.ReadAllLines() will always return a string array regardless of the number of lines. You can leverage that behavior and simply join the returned array with your separator of choice.

string singleLine = string.Join(" ", File.ReadAllLines("filepath"));

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