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$ gem install vimgolf
$ vimgolf setup
$ vimgolf put 587cab5a0740c90006000006

Combines all items

For each line that starts with the same number I want to combine its contents

Start file

1 2472
1 664
2 2600
10 4135
10 5606
...

End file

1 2472 664
2 2600
10 4135 5606
...

View Diff

1,2c1
< 1 2472
< 1 664
---
> 1 2472 664
4,5c3
< 10 4135
< 10 5606
---
> 10 4135 5606

Solutions by @AlexanderHeatl2:

Created by: @voyeg3r Tweet

140 active golfers, 313 entries

Solutions by @AlexanderHeatl2: