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 52222f6ea98cbe0002000078

Letter case trickery

This file is in a downright esoteric format, consisting of hexadecimal numbers, non-hexadecimal keywords, and "Z" indicating end-of-line. Make the hexadecimal numbers lowercase.

Start file
A4E SUM 3C0Z
2B A9 NE F2Z
End file
a4e SUM 3c0Z
2b a9 NE f2Z

View Diff

1,2c1,2
< A4E SUM 3C0Z
< 2B A9 NE F2Z
---
> a4e SUM 3c0Z
> 2b a9 NE f2Z

Solutions by @Sakigw:

Unlock 12 remaining solutions by signing in and submitting your own entry
Created by: @NbTson

498 active golfers, 1547 entries

Solutions by @Sakigw:
9
#8 - Saki Gw / @Sakigw

01/21/2017 at 12:19AM

10
#>147 - Saki Gw / @Sakigw

01/21/2017 at 12:05AM

11
#>276 - Saki Gw / @Sakigw

01/21/2017 at 12:02AM

11
#>276 - Saki Gw / @Sakigw

01/21/2017 at 12:03AM

11
#>276 - Saki Gw / @Sakigw

01/21/2017 at 12:08AM

12
#>340 - Saki Gw / @Sakigw

01/20/2017 at 11:51PM

12
#>340 - Saki Gw / @Sakigw

01/20/2017 at 11:53PM

12
#>340 - Saki Gw / @Sakigw

01/20/2017 at 11:55PM

13
#>395 - Saki Gw / @Sakigw

01/20/2017 at 11:38PM

13
#>395 - Saki Gw / @Sakigw

01/20/2017 at 11:46PM

15
#>432 - Saki Gw / @Sakigw

01/20/2017 at 11:31PM

16
#>446 - Saki Gw / @Sakigw

01/20/2017 at 11:26PM