On Jun 11, 1:55 am, Ben Schmidt <[email protected]> wrote:
> > " Jump to start of nth or next block of 16 lines
> > nnoremap<expr> ]]
> > \ v:count
> > \ ? ":<C-U><cr>".(v:count*16+1)."Gzz"
> > \ : 17-line(".")%16."jzz"
>
> Why is the :<C-U><CR> there? Doesn't that do nothing?
>
> > " Display line and block number
> > nnoremap ][ :echo (line(".")-1)%16 line(".")/16 "List"<cr>
>
> > BUT this function is not working:
>
> > fu! List()
> > " Jump to start of nth or next block of 16 lines
> > v:count ? ":<C-U><cr>".(v:count*16+1)."Gzz" : 17-line(".")%16."jzz"
> > " Display line and block number
> > echo (line(".")-1)%16 line(".")/16 "List"<cr>
> > endfu
> > nnoremap ]] :call List()<cr>
>
> In a function, you actually have to run the commands, not just return
> keystrokes like in an expr mapping. Something like this:
>
> fu! List()
> " Jump to start of nth or next block of 16 lines
> if v:count
> execute "normal ".(v:count*16+1)."Gzz"
> else
> execute "normal ".(17-line(".")%16)."jzz"
> endif
> " Display line and block number
> echo (line(".")-1)%16 line(".")/16 "List"
> endfu
>
> :help :if
> :help :execute
> :help :normal
>
> Ben.
I added <C-U> to the call and the count works.
I also moved the echo to a function, by itself it works.
Still the echo does not work.
" Display line and block number
function! List()
let lz = line(".")-1
echo lz%16 lz/16 "List"
endfun
nnoremap ][ :call List()<cr>
" Jump to start of nth or next block of 16 lines
function! Block()
if v:count
execute "normal ".(v:count*16+1)."Gzz"
else
execute "normal ".(17-line(".")%16)."jzz"
endif
call List()
endfu
nnoremap ]] :<C-U>call Block()<cr>
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