Real Vim ninjas count every keystroke - do you?

Pick a challenge, fire up Vim, and show us what you got.

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$ gem install vimgolf
$ vimgolf setup
$ vimgolf put 5462e3f41198b80002512673

I forgot quotes

Oops.

Start file

foo = a
      ab
      abc

End file

foo = "a"
      "ab"
      "abc"

View Diff

1,3c1,3
< foo = a
<       ab
<       abc
---
> foo = "a"
>       "ab"
>       "abc"

Solutions by @zhang_xiaochen:

Created by: @udioica Tweet

4202 active golfers, 16093 entries

Solutions by @zhang_xiaochen: