Check if file contains string

Question

So I found this question on here, but I\'m having an issue with the output and how to handle it with an if statement. This is what I have, but it\'s always saying that it\'s tru

Answer 1

if anyone is looking for a solution to display last line of a file where that string occurs just do

File.readlines('dir/testfile.txt').select{|l| l.match /monitor/}.last 

example

file:

monitor 1
monitor 2
something else

you'll get

monitor 2