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Lower cased and dashed strings

As I have to generate big fixtures files, I wanted to find a way to format input data the way described by start and end files. Especially the lower-cased-and-dashed ids Not so good to find a pure Vim way, that's why I submit this challenge ;)

Start file
Lôrem Ipsum
Dolor.eros
Auctor: eros (elémentum)
Tincïdunt, âc
End file
lorem-ipsum:
    name: "Lôrem Ipsum"
dolor-eros:
    name: "Dolor.eros"
auctor-eros-elementum:
    name: "Auctor: eros (elémentum)"
tincidunt-ac:
    name: "Tincïdunt, âc"

View Diff

1,4c1,8
< Lôrem Ipsum
< Dolor.eros
< Auctor: eros (elémentum)
< Tincïdunt, âc
---
> lorem-ipsum:
>     name: "Lôrem Ipsum"
> dolor-eros:
>     name: "Dolor.eros"
> auctor-eros-elementum:
>     name: "Auctor: eros (elémentum)"
> tincidunt-ac:
>     name: "Tincïdunt, âc"

Solutions by @lifepillar:

Unlock 3 remaining solutions by signing in and submitting your own entry
Created by: @tophsic

20 active golfers, 49 entries

Solutions by @lifepillar:
67
#9 - Lifepillar / @lifepillar

09/17/2015 at 10:08PM

71
#>10 - Lifepillar / @lifepillar

09/17/2015 at 10:05PM

72
#>10 - Lifepillar / @lifepillar

09/17/2015 at 09:49PM