quicklook-csv

Install command: 
brew install --cask quicklook-csv

Name: QuickLookCSV

https://github.com/p2/quicklook-csv

/api/cask/quicklook-csv.json (JSON API)

Cask code on GitHub

Current version: 1.3

Analytics:

Installs (30 days)
quicklook-csv 445
Installs (90 days)
quicklook-csv 1,372
Installs (365 days)
quicklook-csv 6,223
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