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I'm creating a mapping which is supposed to navigate to a specific window (call TEST_WIN), focus in on the terminal and then delete a single character.

The mapping looks like this:

noremap '; :let curWin = win_getid()<CR>:call win_gotoid(TEST_WIN)<CR>A<C-c><C-l><up><BS>

I have substituted <BS> in with <C-w> and both of these delete the entire line instead of a single charater/word.

How can I get it to just delete a single word or character?

I should add that when I am controlling the terminal without the command, <C-w> and the backspace key on my Mac both work as expected. The problem only arises during the command.

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  • You have <C-c there with noremap, this means that control+c will have no effect if you have some mapping to it. Please explain what are you trying to do because this mapping looks confusing. – Moshe Nov 15 '20 at 11:37
  • @Moshe <C-c> works perfectly fine. It's the <BS> that doesn't work. – libby Nov 16 '20 at 6:30
  • Note there's also a Vi and Vim Stack Exchange for questions on Vim, you might want to take a look there as well. – filbranden Nov 19 '20 at 8:07
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UPDATE: Answered here.

Terminal windows are special, you can't just have a mapping use a command to switch to insert mode and then include characters to type in the terminal directly.

Instead, you should call function term_sendkeys() to interact with the terminal.

Something like the following should work:

function! TermHistory()
  call win_gotoid(TEST_WIN)
  call term_sendkeys('', "\<C-c>\<C-l>\<Up>\<BS>")
endfunction
nnoremap <silent> '; :call TermHistory()<CR>
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  • @fibranden, this is great, but do you know how it could be done for neovim? the term_sendkeys function isn't available for neovim – libby Nov 19 '20 at 21:56

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