fork download 
  1. something = {
  2.   "moo" => "meh",
  3.   "foobar" => IO.popen('echo foo; exit 0'){|p|x=p.read.chomp;p.close;$?==0?x:fail},
  4.   "foo" => "bar",
  5. }
  6.  
  7. require 'pp'
  8. pp something
  9.  
Success #stdin #stdout 0.01s 6628KB
comments (?)
stdin 
Standard input is empty
stdout 
{"moo"=>"meh", "foobar"=>"foo", "foo"=>"bar"}
https://ideone.com/WSSVPk
language:
Ruby (ruby 2.5.5)
created:
5 years ago
visibility:
public

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!