Re: Combining normal commands and an exe in a map

On Dec 7, 10:41 am, Dotan Cohen <dotanco...@gmail.com> wrote:
> Dalker on StackOverflow [1] recently helped me concoct this terrific
> exe for navigating xdebug traces:
> :exe '/^.\{'.(col(".")-1).'\}-'. Before I use it, I must 0f- to ensure
> that I am on the first dash of the line. I would like to map this all
> to the ` key (I use ' for marks) but I seem to have trouble combining
> the regular commands with the exe:
> nmap 0f-:exe '/^.\{'.(col(".")-1).'\}-'
>
> Obviously I am missing something, but all my googling turns up
> nothing. What keywords should I be googling, or what part of the fine
> manual should I be reading? Thanks.
>

First, your mapping command is missing a left-hand-side. You need to
tell Vim what you want to press to trigger your mapping. E.g. nmap
<F5> :echo 'foo'<CR> if you want to press the <F5> key to echo the
text "foo" on your screen.

Second, since you're starting from normal mode, you need to finish off
your ex command with a <CR> or the equivalent <Enter>.

Remember mappings are telling Vim to execute each character basically
as if you typed them in yourself. You need to press <Enter> to finish
executing a search manually, so your mapping needs to do this as well.

Two suggestions, however:

1. Use nnoremap instead of nmap to avoid accidentially triggering any
mappings while executing your mapping.
2. Use an expression mapping, which would allow you to eliminate the
exe altogether. See :help :map-<expr>.

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