ruby create 1 dimensional array to 2 dimensional array

Question

I am working on the rails application I have the following array

["194K-001", "177K-STB", "17SH-LW9", "115L-T03"]

and i want to create it as follow

[["194K-001"], ["177K-STB"], ["17SH-LW9"], ["115L-T03"]]

Thanks

user24359 · Accepted Answer · 2013-05-09 07:11:43Z

3

In IRB:

2.0.0-p0 :001 > ["194K-001", "177K-STB", "17SH-LW9", "115L-T03"].map{|a| [a]}
 => [["194K-001"], ["177K-STB"], ["17SH-LW9"], ["115L-T03"]]

answered May 9, 2013 at 7:11

user24359

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Comments

Stefan · Accepted Answer · 2013-05-09 07:39:23Z

3

You can use zip without argument:

["194K-001", "177K-STB", "17SH-LW9", "115L-T03"].zip
# => [["194K-001"], ["177K-STB"], ["17SH-LW9"], ["115L-T03"]]

answered May 9, 2013 at 7:32

Stefan

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