Re: How to get to the helppage of shiftwidth in options.txt?

2015-04-02 1:25 GMT+03:00 Peng Yu <pengyu.ut@gmail.com>:
> On Wed, Apr 1, 2015 at 2:11 AM, Gary Johnson <garyjohn@spocom.com> wrote:
>> On 2015-03-31, Peng Yu wrote:
>>> On Tue, Mar 31, 2015 at 4:07 PM, Gary Johnson wrote:
>>> > On 2015-03-31, Peng Yu wrote:
>>
>>> >> In bash, there is `compgen`. So, it might make sense to add something
>>> >> similar to vim as well?
>>> >
>>> > Isn't that what Tim already explained above with
>>>
>>> Check compgen in bash, then you will see what I mean.
>
> compgen as a command would be able to generate, for example, anything
> that would be completed by typing TAB in bash (equivalent to ctrl-D as
> in vim). But compgen is a command rather than key combinations. I
> don't see vim command that would be able to print all the commands had
> one typed ctrl-D. In other words, I am looking an equivalent of
> compgen of bash in vim, rather than an equivalent of TAB of bash in
> vim. Does this make sense?

I remember myself talking (on #vim) about a hack to do this.

Specifically you need to use

let prefix=''
let last_word='b'
:execute 'normal! :'.prefix last_word."\<C-a>\<C-\>eextend(l:,
{'cmdline':getcmdline()}).cmdline[1:0]\n\<C-c>"
let completions = split(cmdline[len(prefix)+1 :], '\v(\\@<!(\\.)*\\)@<!\ ')

. This hack is currently used in some plugin.

>
> ~$ compgen -c ls
> ls
> ls
> lsof
> lsappinfo
> lsbom
> lsm
> lsvfs
> ls
>
>> I am quite familiar with compgen, having written a number of
>> bash_completion scripts. I still don't understand what you think
>> bash has that Vim doesn't, when it comes to command or argument
>> completion.
>>
>> I thought you were just looking for completion of help topics. If
>> you're looking for general context-dependent completion, see
>>
>> :help 20.3
>> :help cmdline-completion
>> :help :command-completion
>>
>> I found the last by typing
>>
>> :help complet<Tab>
>>
>> Regards,
>> Gary
>>
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>
>
>
> --
> Regards,
> Peng
>
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