Question

Need to somehow match a phrase in comparison to a hash and grab the id:

Hash:

h = [{'id' => '1', 'words' => 'blue table stand'}, {'id' => '2', 'words' => 'red table stand'}]

Word:

search = 'stand blue'

I would like to return the ids of those that has the words ‘stand’ and ‘blue’ so that I get back the id number 1. Thanks.

Answer 1

I agree with @sawa that the data doesn’t seem to be formed in the most comfortable manner, but you never know where it came from…

Anyway, this should work:

search = "blue stand"
h.select{|x| search.split.all?{|s| x["words"].split.include? s } }.map{|x| x["id"] }

=> ["2"]

---

From the comments below, using the [] accessor on the string makes this shorter, and I hate scroll bars enough to update it:

h.select{|x| search.split.all?{|s| x["words"][s] } }.map{|x| x["id"] }