How to wait for system command to end

Question

I\'m converting an XLS 2 CSV file with a system command in Ruby.

After the conversion I\'m processing the CSV files, but the conversion is still running when the progr

Answer 1

Try to use threads:

command = Thread.new do
  system('ruby programm.rb') # long-long programm
end
command.join                 # main programm waiting for thread
puts "command complete"