irb.rb

irb
irb(main):001:0> #!/usr/bin/env ruby
irb(main):002:0*
irb(main):003:0* JOBS = [
irb(main):004:1* "bin/rspec_rerun spec",
irb(main):005:1* "bin/quality"
irb(main):006:1> ].freeze
=> ["bin/rspec_rerun spec", "bin/quality"]
irb(main):007:0>
irb(main):008:0* child_pids = JOBS.map do |job|
irb(main):009:1*   child_pid = fork { `#{job}` }
irb(main):010:1>   sleep 0.1
irb(main):011:1>   Process.detach(child_pid)
irb(main):012:1>
irb(main):013:1*   child_pid
irb(main):014:1> end
=> [11257, 11259]
[1]  + 11262 suspended (tty output)  bundled_irb