Re: Vimdiff counting dark blue lines

`git diff --numstat A B` is a bit easier.

On Mon, Oct 6, 2025, 17:26 K otgc <[email protected]> wrote:

> 'Tis not so simple as sideX minus sideY.
> Out of screenshot, Bookmarks1 indeed has unique added lines that
> Bookmarks2 doesn't have.
> However Bookmarks2 also has unique added lines that Bookmarks1 doesn't
> have.
>
> I solved this 3 ways:
> 1:
> manual count
>
> 2.
> $ diff Bookmarks1 Bookmarks2 | grep '^<' | wc -l 42 $ diff Bookmarks1
> Bookmarks2 | grep '^>' | wc -l 22
>
> 3.
> $ diff <(sed '1,2d' Bookmarks1) <(sed '1,2d' Bookmarks2) | grep '^>' | wc
> -l 21 $ diff <(sed '1,2d' Bookmarks1) <(sed '1,2d' Bookmarks2) | grep '^<'
> | wc -l 41
>
> On Sunday, 5 October 2025 at 08:54:15 UTC+2 Yee Cheng Chin wrote:
>
>> I'm imagining your diffopt does not have "inline:char" or "inline:word"
>> right? In this case, the "dark blue lines" are basically "added lines" that
>> are just the number of lines on the left minus the number of lines on the
>> right. You just need to subtract them.
>>
>> In order to count number of added/changed lines, you need some way of
>> querying them using Vimscript, and currently Vim has pretty limited APIs
>> for querying the diff structures. The one that you may want to use is
>> `diff_hlID`. For example you can use diff_hlID(4321,
>> 1)->synIDattr("name") and check if it's non-empty and count the lines
>> between two sides. It requires a bit of scripting to work. There isn't a
>> simple command to count this. I think it's more helpful if you explain
>> exactly why you need to count these lines to begin with though.
>>
>> On Fri, Oct 3, 2025 at 4:07 AM K otgc <[email protected]> wrote:
>>
>>> So not simply adding numbers to lines/rows, but totalling the unique
>>> added lines on the left and the right windows.
>>>
>>> On Thursday, 2 October 2025 at 09:19:07 UTC+2 K otgc wrote:
>>>
>>>> The dark blue lines would be unique added lines.[image:
>>>> screenshot_20251002_091657.png]
>>>>
>>>> On Tuesday, 30 September 2025 at 18:43:47 UTC+2 K otgc wrote:
>>>>
>>>>> Hello,
>>>>> would there be a command to count the dark blue lines on the vimdiff
>>>>> Bookmarks1 and Bookmarks2 please?
>>>>>
>>>>> Once I figured out how many extra lines there are, I can then work on
>>>>> some type of merge.
>>>>>
>>>>> At the bottom of the vimdiff Bookmarks1 and Bookmarks2, there's some
>>>>> information showing:
>>>>> Bookmarks1  4675,1  Bot and Bookmarks2  4655,1  Bot
>>>>> I guess this means Bookmarks1 has 20 more lines thank Bookmark2.
>>>>> However this isn't much help.
>>>>> What I really need is Bookmarks1 has these dark blue lines for lines
>>>>> of data which isn't in Bookmarks2.
>>>>> Vice versa too.
>>>>>
>>>>> Then the fun bit merging or manually diffget and diffput each and
>>>>> every single line, which might be out of the question if too many.
>>>>>
>>>>> Many thanks for any suggestions.
>>>>>
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