From: Zhi-Qiang Lei <zhiqiang.lei@...>
Date: 2010-10-24T14:25:02+09:00
Subject: Convert Array to nested Hash

Dear All,

I'm seeking a method to convert an array like:

[
	["A", "a", 1]
	["A", "b", 2]
	["B", "a", 1]

]

into a hash as follow:
{
	{"A" => {"a" => 1, "b" => 2}},
	{"B" => {"a" => 1}}
}

Do you have any idea on this? Thanks in advance.