Running phantomjs from a Ruby on Rails application

I'm interested in using Phantomjs and I'd like to run it from my Ruby on Rails application. However, this is a command line tool (i.e. I'd need to run something like phantomjs rasterize.js clock.png in my terminal). How would I execute a command line tool from my app?


Use backticks in your ruby code e.g.:

output = `phantomjs rasterize.js clock.png`

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