Split String not Meeting Conditions [Swift] - if-statement

Question

I'm trying to take a series of numbers from a text file and based on the numbers define a new variable. When I print SettingsArray i get the following:
[10, 25, 1, 0, 0, 1, 1, 1, 0, 0, 0, 0, 0, 1, 1, 0.02, 0.002, 0, 1, 0, 0, 0, 1, 1, 1, 25, 500, 0, 1, 250, 250, 250, 500, 500, 500, 10, 10, 10, 200, 200, 200]
Which are the numbers I'm looking for, but for some reason, when checking the If statements, all of the SettingsArray elements look something like this:
[2] String class name = _TtC10Foundation15_NSOpaqueString
Which obviously don't meet any of the conditions, why are the array elements garbled when checking the If statements?
let file = String(contentsOfFile: "/Users/UserGoesHere/Documents/Settings.txt", encoding: NSUTF8StringEncoding, error: nil)!
var SettingsArray = split(file) {$0 == ","}
var StepPortInvert = ""
if SettingsArray[2] == "1" && SettingsArray[3] == "1" && SettingsArray[4] == "1" {
var StepPortInvert = "00000000"
}
if SettingsArray[2] == "0" && SettingsArray[3] == "1" && SettingsArray[4] == "1" {
var StepPortInvert = "00000001"
}
if SettingsArray[2] == "1" && SettingsArray[3] == "0" && SettingsArray[4] == "1" {
var StepPortInvert = "00000010"
}

Answer 1

You just have to declare StepPortInvert once. BTW 2,3,4 = "1, 0, 0"
let file = String(contentsOfFile: "/Users/UserGoesHere/Documents/Settings.txt", encoding: NSUTF8StringEncoding, error: nil)!
var SettingsArray = split(file) {$0 == ","}
var StepPortInvert = ""
if SettingsArray[2] == "1" && SettingsArray[3] == "1" && SettingsArray[4] == "1" {
StepPortInvert = "00000000"
}
if SettingsArray[2] == "0" && SettingsArray[3] == "1" && SettingsArray[4] == "1" {
StepPortInvert = "00000001"
}
if SettingsArray[2] == "1" && SettingsArray[3] == "0" && SettingsArray[4] == "1" {
StepPortInvert = "00000010"
}