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 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 @zacoxi:

Created by: @udioica Tweet

141 active golfers, 376 entries

Solutions by @zacoxi:

9

#38 - Dax / @zacoxi

12/05/2018 at 05:53AM

13

#>102 - Dax / @zacoxi

12/05/2018 at 05:51AM

15

#>134 - Dax / @zacoxi

12/05/2018 at 05:50AM

17

#>136 - Dax / @zacoxi

12/05/2018 at 05:50AM

18

#>136 - Dax / @zacoxi

12/05/2018 at 05:41AM

21

#>136 - Dax / @zacoxi

12/05/2018 at 05:38AM