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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 @NicolasPagny:

Unlock 11 remaining solutions by signing in and submitting your own entry
Created by: @johnreitano

1537 active golfers, 6308 entries

Solutions by @NicolasPagny:
10
#383 - Nicolas Pagny / @NicolasPagny

01/01/2021 at 11:40AM

11
#>706 - Nicolas Pagny / @NicolasPagny

01/01/2021 at 11:34AM

12
#>801 - Nicolas Pagny / @NicolasPagny

01/01/2021 at 11:33AM

13
#>840 - Nicolas Pagny / @NicolasPagny

01/01/2021 at 11:33AM

14
#>897 - Nicolas Pagny / @NicolasPagny

01/01/2021 at 11:31AM

15
#>987 - Nicolas Pagny / @NicolasPagny

01/01/2021 at 11:28AM

16
#>1078 - Nicolas Pagny / @NicolasPagny

01/01/2021 at 11:27AM

18
#>1184 - Nicolas Pagny / @NicolasPagny

01/01/2021 at 11:25AM

19
#>1234 - Nicolas Pagny / @NicolasPagny

01/01/2021 at 11:24AM

21
#>1344 - Nicolas Pagny / @NicolasPagny

12/31/2020 at 02:53PM

33
#>1504 - Nicolas Pagny / @NicolasPagny

12/31/2020 at 02:31PM