Re: searching one word containing # with touch *

Am 07.05.2019 um 20:52 schrieb Mathieu Roux:
> On lun., 2019-05-06 at 20:52 +0200, 'Andy Wokula' via vim_use wrote:
>> Am 06.05.2019 um 15:33 schrieb Tony Mechelynck:
>>> On Sun, May 5, 2019 at 9:35 PM Gary Johnson <garyjohn@spocom.com>
>>> wrote:
>>>>
>>>> On 2019-05-05, Mathieu Roux wrote:
>>>>> On dim., 2019-05-05 at 18:50 +0200, Tony Mechelynck wrote:
>>>>>> On Sun, May 5, 2019 at 6:44 PM Mathieu Roux wrote:
>>>>>>>
>>>>>>> Hello,
>>>>>>> I would like to search the word under my prompt on vim. For
>>>>>>> this, i can press touch *. But, if the word i want to search is
>>>>>>> #foo, as an exemple, vim only searches word foo (without
>>>>>>> hashtag). In fact, hashtag is not considered in the word, which
>>>>>>> is confirmed when i try to go to the next word from # with w.
>>>>>>> Do you know how i can search effectively #titi by pressing * on
>>>>>>> my keyboard?
>>>>>>> Thanks.
>>>>>>> Mathieu Roux
>>>>>>
>>>>>> see :help *
>>>>> But how can i change keywords just for # and - (i want for exemple
>>>>> #foo-bar to be just one word)? i tried before but i did not
>>>>> succeed. The problem is that i also want to use tags with CTRL+],
>>>>> so maybe i cannot do
>>>>> set iskeyword=""
>>>>> as far as i understand.
>>>>
>>>> :set iskeyword+=#
>>>> :set iskeyword+=-
>>>>
>>>> seems to do it.
>>>>
>>>> Regards,
>>>> Gary
>>>
>>> And if you want to do it easily and reversibly, you can assign it to
>>> a key: e.g. (untested)
>>>
>>> :map <F4> :set isk+=#-<Bar>normal *<CR>
>>> :map <S-F4> :set isk-=# isk-=-<Bar>normal <C-]><CR>
>>>
>>> Best regards,
>>> Tony.
>>
>> Maybe it's a little more complicated.
>>
>> When you add characters to 'isk' with the star command `*'
>> and again remove them when going to a tag with Ctrl-],
>> then suddenly `#foo' is no longer found, because the pattern
>> \<#foo\>
>> ceases to match (`\<' only matches before an 'isk' character).
>> Searching for
>> #foo\>
>> instead should be fine.
>>
>> almost got a plugin out of this
>> https://gist.github.com/Houl/7b3f46c42fbb8fbe3d1d6bd54204ab51
>>
>> --
>> Andy
>
> Waaaaaaa! you worked so much for me!
> I am sorry not be intelligent enough just to understand how to use your
> file? Should i copy in my ~/.vimrc file?

For a start, you can put the file in a plugin folder, eg
~/.vim/plugin/mtc147.vim

and then in your .vimrc, you can add a line
map <F4> <Plug>(roux-search-*)

(basically the instructions inside the script tell you the same)

> And what does it aim to do?

It's a tuned version of the previous poster's
map <F4> :set isk+=#-<Bar>normal *<CR>
suggestion:
- sets and immediately restores 'iskeyword'
- adjusts the last search pattern set by the star command `*'

eg if after `:setl isk+=#' the search pattern becomes `\<#foo\>', then
the pattern will be adjusted to `#foo\>' (because `#' is no longer an
'isk' character).

> Best regards,
> Mathieu

--
Andy

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