Re: vimdiff - how to jump to next difference in long line - shortcut ]c does not work

On Wed, Feb 21, 2018 at 5:27 AM, Igor Forca <igor2x@gmail.com> wrote:

@Christian, thanks a lot for explanation. It looks like ]c jumps through lines and searches for changes (it skips the same lines in both files), but cursor is always placed on first character in line. Interesting. It looks I misunderstood the help:
]c Jump forwards to the next start of a change.

Is there some solution to jump to the first character of change. So in the case of my sample (step 2 in my previous post) to first letter of b?
Imagine I have file with long lines (I receive data from database with multiple columns) and jumping to the first character colored red would spare me plenty of time. Using the same shortcut to jump to next block of changes etc. Does anything like that exists?

Here is a script-ized way:

-- 8< --

fu! s:DiffSearch(opt)

    let ctx = synIDattr(diff_hlID(line('.'), col('.')), "name")

    let skip_same = 1

    if a:opt != 'curline'

        norm! ]c

    endif

    let cur_pos = getpos('.')

    for i in range(1, col('$'))

        let cur_ctx = synIDattr(diff_hlID(line('.'), i), "name")

        if skip_same && ctx == cur_ctx

            continue

        endif

        let skip_same = 0

        if cur_ctx == "DiffText"

            let cur_pos[2] = i

            call setpos('.', cur_pos)

            break

        endif

    endfor

endf

nn <silent> ]c :call <SID>DiffSearch('')<cr>

nn <silent> ]x :call <SID>DiffSearch('curline')<cr>

-- 8< --

 

Use ]c for the behavior you want, and use "]x" if you want to search in the current line. Feel free to modify this to suit to your needs.

Once search pattern \%h or \%s (help todo.txt) gets implemented in vim, you should be able to just search for "DiffText" directly.

Regards,

-Arun

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