Real Vim ninjas count every keystroke - do you?

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

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Your VimGolf key: please sign in

$ gem install vimgolf
$ vimgolf setup
$ vimgolf put 592e0f555b60ba0009000001

Stairstep digits

Remove the evens. Double the odds.

Start file
123456789
End file
1133557799

View Diff

A trick a golfer should know, but I don't think
many of you do. This challenge will fix that.

Solutions by @Smylers2:

Unlock 6 remaining solutions by signing in and submitting your own entry
Created by: @udioica

145 active golfers, 394 entries

Solutions by @Smylers2:
9
#8 - Smylers / @Smylers2

06/04/2017 at 06:33PM

11
#>55 - Smylers / @Smylers2

06/04/2017 at 06:35PM

13
#>60 - Smylers / @Smylers2

05/31/2017 at 07:16AM

15
#>137 - Smylers / @Smylers2

05/31/2017 at 07:20AM

15
#>137 - Smylers / @Smylers2

05/31/2017 at 07:21AM

16
#>138 - Smylers / @Smylers2

06/05/2017 at 09:28AM