Suppressing the output of a command run using 'system' method while running it in a ruby script

Question

I am not sure if this makes sense but I am thinking if there is a way to suppress the output shown for a command when run using the system method in ruby? I mea

Answer 1

IO.popen

This is another good option:

IO.popen(['echo', 'a']) do |f|
  f.read == "a\n" or raise
end
$?.exitstatus == 0 or raise

Nothing will get output to your stdout.

http://www.ruby-doc.org/core-2.1.4/IO.html#method-c-popen