Question

I have for example such array:

40,42,45,49,50,52,54,55 etc

Via post-query i’m getting from select some value: for example 40-50, then i split this value for two numbers: 40 and 50 (but that’s not the main problem, with split, question is in another).
I need to compare this two values, so that array values must be in [40...50) values. So all what is in this interval i must select for my other calculations…
How to do this? aybe with map, but how?

Answer 1

try this:

arr = [40,42,45,49,50,52,54,55]
min, max = "40-50".split('-').map {|s| s.to_i }
range = min..max
arr.select {|n| range.include? n }

=> [40, 42, 45, 49, 50]

This will include 50

use range = 40...50 to exclude 50

thanks @gregates

See it running equally on all versions