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How do I transpose two hashes in ruby to make a single hash or array?


What is the “right” way to iterate through an array in Ruby?Secure hash and salt for PHP passwordsHow can I generate an MD5 hash?How does a hash table work?How to write a switch statement in RubyHow to get a specific output iterating a hash in Ruby?Check if a value exists in an array in RubyHow to convert a ruby hash object to JSON?Array to Hash RubyHow to add new item to hash






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1















I want to take the two hashes below and combine them into a new hash or array:



hash1 = 1=>"]", 2=>"", 3=>")", 4=>"(", 5=>"", 6=>"["
hash2 = 1=>"[", 2=>"", 3=>"(", 4=>")", 5=>"", 6=>"]"


I want the result to look something like this:



result = "["=>"]", ""=>"", "("=>")"


or



result = [ ["[","]"], ["",""], ["(",")"] ]


Is there a ruby method that can do this?






ruby hash enumerable







share|improve this question




























    1















    I want to take the two hashes below and combine them into a new hash or array:



    hash1 = 1=>"]", 2=>"", 3=>")", 4=>"(", 5=>"", 6=>"["
    hash2 = 1=>"[", 2=>"", 3=>"(", 4=>")", 5=>"", 6=>"]"


    I want the result to look something like this:



    result = "["=>"]", ""=>"", "("=>")"


    or



    result = [ ["[","]"], ["",""], ["(",")"] ]


    Is there a ruby method that can do this?






    ruby hash enumerable







    share|improve this question
























      1












      1








      1








      I want to take the two hashes below and combine them into a new hash or array:



      hash1 = 1=>"]", 2=>"", 3=>")", 4=>"(", 5=>"", 6=>"["
      hash2 = 1=>"[", 2=>"", 3=>"(", 4=>")", 5=>"", 6=>"]"


      I want the result to look something like this:



      result = "["=>"]", ""=>"", "("=>")"


      or



      result = [ ["[","]"], ["",""], ["(",")"] ]


      Is there a ruby method that can do this?






      ruby hash enumerable







      share|improve this question














      I want to take the two hashes below and combine them into a new hash or array:



      hash1 = 1=>"]", 2=>"", 3=>")", 4=>"(", 5=>"", 6=>"["
      hash2 = 1=>"[", 2=>"", 3=>"(", 4=>")", 5=>"", 6=>"]"


      I want the result to look something like this:



      result = "["=>"]", ""=>"", "("=>")"


      or



      result = [ ["[","]"], ["",""], ["(",")"] ]


      Is there a ruby method that can do this?






      ruby hash enumerable




      ruby hash enumerable






      share|improve this question













      share|improve this question











      share|improve this question




      share|improve this question










      asked Mar 24 at 19:59









      Richard JarramRichard Jarram

      5617




      5617






















          4 Answers
          4






          active

          oldest

          votes


















          4














          You could use Hash#transform_keys:



          res = hash1.transform_keys hash2[k] 

          res #=> "["=>"]", ""=>"", "("=>")", ")"=>"(", ""=>"", "]"=>"["

          res.first(3) #=> [["[", "]"], ["", ""], ["(", ")"]]





          share|improve this answer


















          • 1





            Lovely!........

            – Cary Swoveland
            Mar 24 at 21:33


















          1














          Well, another way you can get what you want is by using Hash#deep_merge
          like so:



          res = hash1.deep_merge(hash2) [other_val , this_val] .values
          # => [["[", "]"], ["", ""], ["(", ")"], [")", "("], ["}", " 













          0














          hash1.merge(hash2) [v1, v2].values
          # => [["]", "["], ["", "improve this answer










          answered Mar 24 at 20:07









          iGianiGian

          6,0402828




          6,0402828







          • 1





            Lovely!........

            – Cary Swoveland
            Mar 24 at 21:33















          1














          Well, another way you can get what you want is by using Hash#deep_merge
          like so:



          res = hash1.deep_merge(hash2) [other_val , this_val] .values
          # => [["[", "]"], ["", ""], ["(", ")"], [")", "("], ["", ""], ["]", "["]
          res.first(3) 
          # => [["[", "]"], ["", ""], ["(", ")"]]





          share", ""], ["]", "["]
          res.first(3)
          # => [["[", "]"], ["", ""], ["(", ")"]]





          share", "improve this answer















          hash1.each_with_object() 

          #=> "["=>"]", ""=>"", "("=>")", ")"=>"(", ""=>"", "]"=>"["


          Or:



          hash2.each_with_object() h[v] = hash1[k] 

          #=> "["=>"]", ""=>"", "("=>")", ")"=>"(", ""=>"", "]"=>"["






          share", ""], [")", "("], ["(", ")"], ["", ""], ["[", "]"]]





          share", "improve this answer






























            hash1.merge(hash2) [v1, v2].values
            # => [["]", "["], ["", "{"], [")", "("], ["(", ")"], ["", ""], ["[", "]"]]






            share|improve this answer












            share|improve this answer



            share|improve this answer










            answered Mar 25 at 4:57









            sawasawa

            134k31215311




            134k31215311



























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