How to sort a hash by value in descending order and output a hash in ruby?

Question

output.sort_by {|k, v| v}.reverse

and for keys

h = {\"a\"=>1, \"c\"=>3, \"b\"=>2, \"d\"=>4}
=> {\"a\"=>1, \"c\"=>3         


        

Answer 1

Try this:

Hash[h.sort_by{ |_, v| -v }]