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In normal mode, I'd like to press a key that behaves like ^ (move the cursor to the first non-blank character of the current line), unless the cursor is already there, in which case it should behave like $ (move the cursor to the last character of the line).

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  • 3
    What did you try? Also note that ^ and $ are not symmetrical.
    – romainl
    Aug 7, 2023 at 20:19

2 Answers 2

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Here's the VimScript equivalent to ax ax's answer (using Vim 9's {})

command EorBofL {
  const start = col('.')
  normal! ^
  if col('.') isnot# start
    normal! $
  endif
}
nnoremap <silent> KEY :EorBofL<enter>

Additionally, if you will never write :EorBofL yourself, might as well make it an (autoload) function instead of a command.

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  • Thanks for the tip, although it's not clear to me what's the advantage of an autoload function vs a command. (The n there is normal mode, being [KEY] the actual key to bind).
    – ax ax
    Sep 14, 2023 at 14:04
  • Personally i would use autoload here. Commands i generally reserve for “cant be done otherwise” or “i would type this, not map it” @axax
    – D. Ben Knoble
    Sep 14, 2023 at 18:02
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Since I couldn't find a way to do it, I wrote a function (in nvim). Never done any scripting in vim, so chances are something is slight off or completely wrong, but it seems to work.

vim.api.nvim_create_user_command('EorBofL', function()
  local init_col = vim.fn.col('.')
  vim.cmd('norm! ^')
  local current_col = vim.fn.col('.')
  if init_col == current_col then
    vim.cmd('norm! $')
  end
end, {})
vim.api.nvim_set_keymap('n', [KEY], ':EorBofL<CR>', { noremap = true, silent = true })

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