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Sometimes I want to set a starting mark then type a word(usually a long variable name), after finishing the word I may set an ending mark. Then I can get the word stored in my register so that I can paste it without any extra movement, mode switch, etc.

How can I make that? Or there is a better "vim-way" to achieve the similar effect?

Thank you.

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migrated from stackoverflow.com Nov 6 '12 at 10:13

This question came from our site for professional and enthusiast programmers.

up vote 2 down vote accepted

The following two mappings let you record any chunk of text you are typing in insert mode, not necessarily a single word, and save it into register o.

inoremap <C-K> <C-O>qo
inoremap <C-L> <Esc>q:let @o=@o[:-2]<CR>a

Start recording with CtrlK, end recording with CtrlL. Paste the recorded text in insert mode with CtrlR o.

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This is exactly what I want. Thank you. The vim script seems to be so powerful. I will try to learn that. – craftsman.don Nov 6 '12 at 15:19

In INSERT mode, you can use Ctrl-N or Ctrl-P to trigger auto-completion.
It's very useful when you're re-typing long words.

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See :help i_ctrl-n for more info. You may need to tune you complete option too; for me I had to strip i out of it because it's too slow with thousands of files all circularly included... – dash-tom-bang Nov 6 '12 at 1:28
    
I like the supertab plugin. We're so used to pressing tab in bash/zsh to autocomplete, it feels natural in a Vim buffer too. – d11wtq Nov 6 '12 at 2:01

Use m and y.

  1. Type Ctrl+O (exit insert mode for 1 command)
  2. Type mk to set marker k to your current location
  3. Type your word
  4. Type Ctrl+O
  5. Type y`k to yank from marker k to your current location

http://www.marksanborn.net/software/using-markers-in-vim/

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1  
This requires dropping out of insert mode though. Using Ctrl-O before steps one and three almost get you there; using a backtick instead of the single quote will do a part-line yank. – dash-tom-bang Nov 6 '12 at 1:27
    
Whoops, that was a typo (the backtick). I'll update the post with both suggestions – durron597 Nov 6 '12 at 1:30

With <C-o>, you can temporarily leave insert mode for a single command. You can then issue a yiw command (yank inner word), and have the last word you've been typing in the default (or any other you specify with "x) register.

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