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 @RonatinJ:

Created by: @udioica Tweet

141 active golfers, 376 entries

Solutions by @RonatinJ:

13

#114 - Jay R / @RonatinJ

09/07/2022 at 06:28PM

14

#>131 - Jay R / @RonatinJ

09/07/2022 at 06:27PM

15

#>134 - Jay R / @RonatinJ

09/07/2022 at 06:27PM

16

#>134 - Jay R / @RonatinJ

09/07/2022 at 06:26PM

24

#>139 - Jay R / @RonatinJ

09/07/2022 at 06:25PM

25

#>140 - Jay R / @RonatinJ

09/07/2022 at 06:24PM