Vi 替换命令
使用 vi，如何将当前行号替换到当前行中？ 例如，如果光标位于第 10 行，我想将数字 10 放在该行的某处。
Using vi, how do I substitute the current line number somewhere into the current line? For example, if the cursor is on line 10, I would like to put the number 10 somewhere on that line.
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您想要实际插入行号，而不仅仅是将其显示在页边距中吗？ 如果是这样 -
这会将其附加到行尾。 将 $ 替换为 ^ 以添加到该行前面。
You want to physically insert the line number, not just display it in the margin? If so -
This will append it the the end of the line. Replace $ with ^ to prepend to the line.
首先：以下假设您使用的是 vim，而不是 vi 或类似工具或 Heirloom 项目 vi。
这里有几个选项：
首先，如果您要使用
:s，则将光标放在您选择的行上：其中
= 将会改变，您可以输入：
然后按回车键，如
:s插入行号的命令。 您可以在插入模式下执行相同的操作
以及（
=line(".") 其次，您可以使用
\=在正则表达式中插入行号同样的方式，但这在插入模式或其他地方不起作用。
最后，如果您希望在插入和命令行模式下使用 Ctrl-A 插入当前行号，这些功能会很有用：
不要将静音属性添加到
cmap行：它会禁止将该行输出到您正在键入的命令中，直到您退格为止。First: the following are assuming you are using vim, not vi or a workalike or the Heirloom project vi.
Here are a couple of options:
First, if you're going to use
:s, then put the cursor on your chosen line and:where
<C-R>=means actually hit Ctrl-R then type an equal sign. The promptwill change and you can enter:
and then hit return, as indicated by
<CR>. At this point you'll be back at your:scommand with the line number inserted. You can do the same trick in insert mode
as well (
<C-R>=line(".")<CR>).Second, you can use
\=to insert the line number in a regular expression in thesame way, but this doesn't work in insert mode or in other places.
Finally, these are useful if you want Ctrl-A in insert and command line mode to insert the current line number:
don't add the silent attribute to the
cmapline: it inhibits output of the line into the command you're typing until you backspace.我尝试过
，但这将文本替换为我在每行上发出命令 (1) 时所在的行号，而不是为每行使用不同的数字。
以下内容对我有用。
g/^/exec在与正则表达式/^/匹配的每一行（即每一行）上执行给定的命令。 然后，表达式line(".")在正在处理的行的范围内进行计算，而不是在输入命令时范围内的行。I tried
but this replaced the text with the number of the line that I was on when I issued the command (1) on every line, instead of using a different number for every line.
The following worked for me.
The
g/^/execexecutes the given command on every line that matches the regex/^/(i.e. every line). The expressionline(".")is then evaluated in the scope of the line being worked on, and not the line in scope when the command is typed in.