Tuesday, April 20, 2021

Re: Automating paragraphs (was Re: Dump help pages)

I wrote:

I have the following in my .vimrc :

" Command to join lines in all paragraphs in a range/the whole buffer (Jp == join paras)
:com! -range=% Jp <line>,<line>g/^\s*\S/ .,/^\s*$/-join

" Explanation:
"  :g/^\s*\S/ " Go to the first in each sequence of non-blank lines
          " Actually every non-blank line but the result is the same here!
"  .,/^\s*$/- " "Select" all lines from the current to the one before the next blank line

This should have been:

"  .,/^\s*$/-1

I accidentally removed the digit 1 (not sure it matters though!)


"  join  " Join the "selected" lines

" Mapping to join lines in all paras in the buffer
:nnor Jp Go<esc>ggVG:Jp<cr>

" Explanation:
"  G " Go to the last line in the buffer
"  o<esc> " Add a blank line below the last so we are sure there is one!
"  gg " Go to the first line in the buffer
"  V  " Visually select the (first) line
"  G  " Extend the selection to the last line in the buffer
"  :Jp<cr> " Execute the command defined above

" Mapping to execute the :Jp command over the current visual selection
:vnor Jp :Jp<cr>

HTH

/bpj


The short answer is go to the top of the paragraph and press Shift+V,
then to the bottom and press Shift+J (not Ctrl+J). You can automate this
further by writing a function that would figure out the top and bottom
of the paragraph via whatever logic you build in. See :help :function.

> Then, how might I automate the process of entering N newlines between
> every sentence? I.e., automating pressing ), i, enter a few times, then
> escape, for multiple sentences? I could create a shortcut to execute
> these commands and call it myself, or it could also repeat until the
> conditions above. How would I do either?

Example, for N = 4:
:imap <F9> <CR><CR><CR><CR><Esc>
Type the actual < and > characters as shown. To use this, at the end of
typing your paragraph do not press Esc but press F9 (or whatever key you
mapped).

If you sometimes want to insert N blank lines in already-written text,
add this:
:map <F9> A<F9>
The previous map was active in insert mode; this one is active in normal
mode. It moves to the end of the current line ("A") in insert mode and
then appends the insert-mode version of F9.

Once you've verified that these work as you wish, you can put them in
your $VIM/_vimrc file so that they will be executed whenever you start Vim.

> Also, how do I go back to where the cursor previously was, in case I
> accidentally move it?

`` or ''
(One goes back to the _line_) where you were; the other goes back to the
exact position within the line.)

--
Stan Brown
Tehachapi, CA, USA
https://BrownMath.com
https://OakRoadSystems.com

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