nodpad++ 字符编码设置
回车:用“\r”表示,ASCII码中的“代码”为CR,意义是将光标移到当前行的首位;
换行:用“\n”表示,ASCII码中的“代码”为LF,意义是将光标移到下一行。
DOS、Mac 和 Unix 文件格式
https://www.cnblogs.com/yelongsan/p/10025134.html
CRLF、CR、LF详解
https://www.jianshu.com/p/b03ad01acd69
Vim 中如何去掉 ^M 字符?
windows环境下用Vim打开文件后出现好多^M字符,什么原因,怎么去掉?
https://www.zhihu.com/question/22130727
How to remove CTRL-M (^M) characters from a file in Linux?
https://support.microfocus.com/kb/doc.php?id=7014821
What is the ^M character called?
https://unix.stackexchange.com/questions/134695/what-is-the-m-character-called
Linux 替换^M字符方法
https://blog.csdn.net/lml200701158/article/details/52350659
What does ^M character mean in Vim?
https://stackoverflow.com/questions/5843495/what-does-m-character-mean-in-vim
Linux下使用vim编辑文件,出现^M是什么意思?
https://blog.csdn.net/yuhengyue/article/details/78892861