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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 @pherapont1:

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

1537 active golfers, 6308 entries

Solutions by @pherapont1:
10
#369 - pherapont / @pherapont1

12/13/2020 at 05:11AM

10
#>389 - pherapont / @pherapont1

01/08/2021 at 05:39AM

11
#>696 - pherapont / @pherapont1

12/13/2020 at 05:05AM

12
#>800 - pherapont / @pherapont1

12/13/2020 at 05:03AM

14
#>896 - pherapont / @pherapont1

12/13/2020 at 04:56AM

14
#>896 - pherapont / @pherapont1

12/13/2020 at 05:00AM

15
#>983 - pherapont / @pherapont1

12/13/2020 at 04:50AM

16
#>1075 - pherapont / @pherapont1

12/13/2020 at 04:43AM

17
#>1146 - pherapont / @pherapont1

01/08/2021 at 05:30AM

20
#>1293 - pherapont / @pherapont1

12/13/2020 at 04:38AM

21
#>1345 - pherapont / @pherapont1

01/08/2021 at 05:20AM