Real Vim ninjas count every keystroke - do you?

Pick a challenge, fire up Vim, and show us what you got.

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$ gem install vimgolf
$ vimgolf setup
$ vimgolf put 55e704665f560803fa000001

Assign numbers to fields

You are given a list of space-separated strings. Add an increasing numeric prefix to each one.

Start file

CHROM POS ID REF ALT QUAL FILTER INFO FORMAT

End file

0:CHROM 1:POS 2:ID 3:REF 4:ALT 5:QUAL 6:FILTER 7:INFO 8:FORMAT

View Diff

1c1
< CHROM POS ID REF ALT QUAL FILTER INFO FORMAT
---
> 0:CHROM 1:POS 2:ID 3:REF 4:ALT 5:QUAL 6:FILTER 7:INFO 8:FORMAT

Solutions by @nickandbro:

Created by: @lifepillar Tweet

62 active golfers, 116 entries

Solutions by @nickandbro: