Mark Bourne 在 2022年12月20日 星期二凌晨4:49:13 [UTC+8] 的信中寫道：
> Jach Feng wrote:
> > I have a script using the argparse module. I want to enter the string
> > "step\x0A" as one of its positional arguments. I expect this string has a
> > length of 5, but it gives 8. Obviously the escape character didn't function
> > correctly. How to do it?
> That depends on the command-line shell you're calling your script from.
>
> In bash, you can include a newline in a quoted string:
> ./your_script 'step
> '
> (the closing quote is on the next line)
>
> Or if you want to do it on a single line (or use other escape
> sequences), you can use e.g.:
> ./your_script $'step\x0a'
> (dollar sign before a single-quoted string which contains escape sequences)
>
> --
> Mark.
That's really good for Linux user! How about Windows?
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