gistfile1.txt

petyo@t400:~/Test$ cat test.rb fail.rb 
#!/usr/bin/env ruby

require 'English'
require 'rubygems'
require 'ruby-debug'


pid = fork { exec("./fail.rb &> /dev/null") }

Process.wait(pid)
p $CHILD_STATUS.to_int

#!/usr/bin/env ruby
#
exit 1
petyo@t400:~/Test$