Re: recommendation for a function over the entire buffer

2017-10-26 20:24 GMT-04:00 Tim Chase <vim@tim.thechases.com>:
> On 2017-10-26 19:13, Jose Caballero wrote:
>> if I want to write a function that does something after every line
>> matching a given pattern (for example, for every python method
>> definition), what does the community prefer to handle it?
>> Just iteratively?
>
> The pattern you describe matches nigh-exactly the functionality of
> the :g command
>
> :g/^\s*def\>/ACTION
>
> You don't mention *what* you want to do for each of these lines, but
> the ex-mode :g command gives you lots of power. From each of those
> matching lines, you can define a range relative to that line and
> perform any command you want over that range. It could be as simple
> as "append a comment after every function definition":
>
> :g/^\s*def\>/s/$/ # my comment here
>
> or adding a Python docstring underneath it:
>
> :g/^\s*def\>/put='"Docstring here"'
>
> or indent the following line through the next blank line:
>
> :g/^\s*def\>/sil! +,/^\s*$/->
>
> That's the implicit way of writing the clearer
>
> :g/^\s*def\>/sil! .+1,/^\s*$/-1>
>
> It (and its counterpart ":v") is one of the most powerful vim
> commands and I use it nigh-daily.
>
> -tim
>
>
>

Hi Tim,

thanks for the pointer.
Quick question: when using the :g command, can I call a plugin function? Like

:g/<pattern>/:call AFunction()

Well, I think I can investigate that myself :)

Thanks a lot.
Jose

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