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rubyrakeruby-mocha

How to print to stdout from system command in Rake?

I have the following Rakefile 

desc "Runs tests"
namespace :test do
    task :api do
        `mocha`
    end
end

When I run the command rake test:api, I don't get the nice output of dots that I would if I just ran the command mocha.

How do I print the output of a command real-time in a rake task?

Solution

  • You can just put the output:

    puts `mocha`

    The backticks ` are calling the command mocha and return the output of the command.

    You may also use %x{}:

    puts %x{mocha}

    Or you use system:

    system('mocha')

    Or you store the output for later use in a variable:

    output = `mocha`
puts output