\是什么意思?在地图 vim 命令中? [英] what is the meaning of \ | in a map vim command?

问题描述

这是一个地图命令.

nnoremap <F5> :w\|!R %<CR>

1.这里的\是什么意思?
2.做|意思是管道?

1.what is the meaning of \ here?
2. does | mean pipe ?

推荐答案

| 字符分隔两个 Ex 命令，参见 :help :|.这就像 C 和 Java 等编程语言中的 ; .它与管道无关；Vim 没有这个概念(通常在 shell 中可以找到).

The | character separates two Ex commands, see :help :|. It's like ; in programming languages like C and Java. It has nothing to do with pipes; Vim hasn't that concept (which is typically found in shells).

这里转义了，让整个命令序列都属于映射；即它映射到 :w|!R %.如果不转义，Vim 将改为执行以下操作:

It is escaped here so that the entire command sequence belongs to the mapping; i.e. it maps to :w|!R %<CR>. Without escaping, Vim would execute the following instead:

:nnoremap <F5> :w
:!R %<CR>

注意你也可以写(cp.:help key-notation)而不是\|，并且前者使用频率更高.

Note that you can also write <Bar> (cp. :help key-notation) instead of \|, and the former is more frequently used.

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