From: daz <dooby@...10.karoo.co.uk>
Date: 2009-11-29T02:15:09+09:00
Subject: Re: iterate over a hash with values containing a array of hashes

Bruno Moura wrote:
> Hi
> 
> I need iterate over a hash with values containing a array of hashes for
> build a string with comma values
> 
> (...)
> 
> Everyone can help me with this?
> 
> thanks so much


###========================

input = {"F15"=> [
                {"first"=>"01", "last"=>"" , "data"=>"ATX",
                    "Xcode"=>"F15", "type"=>"G_TRD"},
                {"first"=>"Aero", "last"=>"Z", "data"=>"VTA",
                    "Xcode"=>"F15", "type"=>"H_TGFE"},
                {"first"=>"digg", "last"=>"" , "data"=>"GFC",
                    "Xcode"=>"F15", "type"=>"T_1000"}],
          "F17"=> [
                {"first"=>"X01", "last"=>"Sx", "data"=>"ATT",
                    "Xcode"=>"F17", "type"=>"H_TGFE"},
                {"first"=>"DEF", "last"=>"Z", "data"=>"VTA",
                    "Xcode"=>"F17", "type"=>"G_TRD"},
                {"first"=>"EDF", "last"=>"FR" , "data"=>"CFC",
                    "Xcode"=>"F17", "type"=>"T_900"}]}


chk_answer = ["F15;first;01;last;;data;ATX;Xcode;F15;type;G_TRD",
               "F15;first;Aero;last;Z;data;VTA;Xcode;F15;type;H_TGFE",
               "F15;first;digg;last;;data;GFC;Xcode;F15;type;T_1000",
               "F17;first;X01;last;Sx;data;ATT;Xcode;F17;type;H_TGFE",
               "F17;first;DEF;last;Z;data;VTA;Xcode;F17;type;G_TRD",
               "F17;first;EDF;last;FR;data;CFC;Xcode;F17;type;T_900" ]

#~~~
res = []  # results

input.sort.each do |k1,a1|
   a1.each do |h|
     out = '' << k1
     ['first', 'last', 'data', 'Xcode', 'type'].each do |k2|
       out << sprintf(';%s;%s', k2, h[k2])  # append to string
     end
     res << out  # push line into result array
   end
end
#~~~

puts '***  C o r r e c t  ***' if res == chk_answer
puts res

###========================

# :)

daz