Hash problem in Ruby

Question

Hi, I am newbie in Ruby.. seeking some help..

I have a code

DB = { 'key1' => "value1",
       'key2' => "value2"}

key = gets
DB["#{key}"]

when i enter key1 from console i get nil how to resolve this?

I tried few different alternative but could not solve it. hope to get help here.

Thanks

Answer 1

Well, "key1" is just a string, like "value1".

If you want to pull "value1" out of DB using "key1", then all you need is

DB["key1"]

which will give you your "value1" back.

Answer 2

There's a newline character at the end of your string. Use gets.chomp instead.

Answer 3

What are you trying to do? It is not completely clear in your question.

If you want to access the value in DB by entering the key I would do it like this:

DB = { 'key1' => "value1", 'key2' => "value2"}
key = gets.strip
puts DB[key]

Answer 4

I agree with Andy. gets.chomp should work