Re: how to apply a given map, written for a line, to a block of lines?

On Sat, Oct 21, 2017 at 4:25 AM, Ben Fritz <fritzophrenic@gmail.com> wrote:
> On Friday, October 20, 2017 at 5:29:53 PM UTC-5, Jose Caballero wrote:
>> Hi,
>>
>> I would only need to know which key words I need to search in google... :)
>> I have a few remaps (and iremaps) that modify the current line. For
>> example, to add # at the beginning, and stuff like that.
>> I would like to know how to re-use those mappings for a block of
>> lines, not line by line.
>> I am wondering if there is a way, for example, to apply it to a
>> visually select block, or similar.
>>
>> Any clue, or link, where I can educate myself on this topic, would be
>> appreciated.
>> As I said, at this point, I don't even know which key to search with :help
>>
>> Thanks a lot in advance.
>> Jose
>
> Easy way (no extra effort): visually select the lines you want, and type ":normal " and then your mapping. You should see ":'<,'>normal ". Press enter to run the command on every line.
>
> Harder way would be to create a visual mode mapping that somehow invokes the behavior you want on each line. Then for bonus points consider an operator-pending mapping.

Yeah, and for extra bonus points: construct a function with a "range"
qualifier (see :help :function and :help E124) and/or a user-command
with a -range attribute, probably defaulting to current line (see
:help :command and :help :command-range) and update your mapping to
invoke them. If you define both in a single script (e.g. in your vimrc
or in an ftplugin), it is possible to define a public (i.e.
user-facing) command which calls a private (i.e. script-local)
function.

Best regards,
Tony.

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