On Jun 9, 11:43 pm, ZyX <[email protected]> wrote:
> Reply to message «Re: go to next line multiples of n»,
> sent 09:29:14 10 June 2011, Friday
> by Bee:
>
> > > > This does NOT work.
>
> > > > :nmap J execute "normal " . tline - line('.') % tline . "j"
>
> In the original normal command you had problems with operator priorities: if
> you'd run
> echo "normal " . tline - line('.') % tline . "j"
> you found what is the problem (it outputs `-1j' for the first line). In this
> command you should have added parenthesis:
> execute "normal! " . (tline - line('.') % tline) . "j"
> . I don't see any problems with> :nmap <expr> J tline+1-line('.')%tline.'jzt'
> > :nmap <expr> K tline+1-line('.')%tline.'kzt'
>
> except that you should not use `nmap' without `nore' here: `nnoremap' saves
> your time as number of mappings that can interfere with each other grows up.
> Maybe this is the problem. If it is not, write what happens when you use this
> mapping and what you expect to happen: I don't get what is wrong here.
>
> Also, write parenthesis. It works now because concatenation operator has the
> same priority as addition and substraction and number calculations occur to be
> first, but it will fail if you add some string before `tline' as you did in
> original mapping.
>
> Original message:
>
> > On Jun 9, 10:09 pm, Christian Brabandt <[email protected]> wrote:
> > > Hi Bee!
>
> > > On Do, 09 Jun 2011, Bee wrote:
> > > > I would like to jump to the next (or prev) line, always a multiple of
> > > > "tline".
>
> > > > let tline = 16
>
> > > > This calculates how many more lines to jump
> > > > useful with "j"
>
> > > > :echo tline - line(".") % tline
>
> > > > This calculates the line to jump to
> > > > useful with "G"
>
> > > > :echo ( line(".") / tline + 1 ) * tline
>
> > > > How to create a mapping?
>
> > > > This does NOT work.
>
> > > > :nmap J execute "normal " . tline - line('.') % tline . "j"
>
> > > You want an expression mapping:
> > > :nmap <expr> J tline-line('.')%tline.'j'
>
> > > See also the help at :h map-expression
>
> > > regards,
> > > Christian
> > > --
>
> > Thank you, Christian
>
> > Works great but for the offset I needed to add 1:
> > :nmap <expr> J tline+1-line('.')%tline.'jzt'
> > :nmap <expr> K tline+1-line('.')%tline.'kzt'
>
> > And now I also have the reverse.
>
>
>
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@ZyX
There is NO problem with those.
They work as I expect
A minor problem moving back from end of file when not an even multiple
of tline.
The only improvement I would like is to do each by a count, if count
is not specified then count=1.
{count}J
{count}K
To go to the nth block of tlines.
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