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In insert mode <c-e> and <c-y> copy a character at a time from the above line.

I generally use these when working with aligned bits of text inside a program and want to copy to the end of the line more often than anything else.

Is there a way to do this?

So far I've been using:

inoremap <c-e> <esc>lj"py$hk"pp`[
inoremap <c-y> <esc>lk"py$hj"pp`[

and a slightly better version to that doesn’t stop executing at the h when running at the 0th column.

inoremap <c-e> <c-o>:stopinsert<cr>j"py$kv"pp`[
inoremap <c-y> <c-o>:stopinsert<cr>k"py$jv"pp`[

But I'm not thrilled with either of those bindings since it clobbers a named register, seems dependent on set virtualedit.

Is there a simpler/more elegant way to copy the trailing portion of the above line?

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    What's the "strange behavior"? And if you don't want to use a named register why not something like inoremap <c-e> <c-o>:norm! jly$kp[<CR>` – B Layer Dec 15 '18 at 2:17
  • Strange behavior is the command stops as soon as h fails. Ah, I also don’t want to clobber the default register either. I was hoping that this configuration desideratum would be common enough to have a setting or plugin or something similar. – Gregory Nisbet Dec 15 '18 at 2:30
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    Is there a reason you can't make use of Vim's full functionality (e.g. unnamed register, virtual edit)? Seems kind of...well...masochistic. ;) – B Layer Dec 15 '18 at 3:05
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    yyp and edit, or <C-x><C-l> if the lines are exactly the same – D. Ben Knoble Dec 15 '18 at 3:42
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    If you want to avoid registers perhaps some vimscript...e.g. for <c-e> : let b:col = getcurpos()[2] | call setline(".", strcharpart(getline("."), 0, b:col) . strcharpart(getline(getcurpos()[1] + 1), b:col)) . for <c-y> change "+ 1" to "- 1". (I'm ignoring any exit/entry from/to Insert mode for simplicity's sake.) – B Layer Dec 15 '18 at 4:02

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