Real Vim ninjas count every keystroke - do you?

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$ gem install vimgolf
$ vimgolf setup
$ vimgolf put 5e4dfcccaa2db400090b66c3

prepend * to every non-blank line

Prepend an asterisk to every non-blank line in the input file.

Start file
This is a
very short

file, but it is 
still
full

of

surpises.
End file
*This is a
*very short

*file, but it is 
*still
*full

*of

*surpises.

View Diff

1,2c1,2
< This is a
< very short
---
> *This is a
> *very short
4,6c4,6
< file, but it is 
< still
< full
---
> *file, but it is 
> *still
> *full
8c8
< of
---
> *of
10c10
< surpises.
---
> *surpises.

Solutions by @mushanyoung:

Unlock 8 remaining solutions by signing in and submitting your own entry
Created by: @johnreitano

1370 active golfers, 5621 entries

Solutions by @mushanyoung:
10
#12 - Mushan Yang / @mushanyoung

02/24/2020 at 10:19PM

11
#>410 - Mushan Yang / @mushanyoung

02/24/2020 at 10:16PM

12
#>669 - Mushan Yang / @mushanyoung

02/24/2020 at 10:12PM

15
#>806 - Mushan Yang / @mushanyoung

02/24/2020 at 09:59PM

15
#>806 - Mushan Yang / @mushanyoung

02/24/2020 at 10:03PM

15
#>806 - Mushan Yang / @mushanyoung

02/24/2020 at 10:05PM

16
#>883 - Mushan Yang / @mushanyoung

02/24/2020 at 09:57PM

18
#>1016 - Mushan Yang / @mushanyoung

02/24/2020 at 09:56PM