Day 8 part 1 solution.

2018/internal/util/input.go

@@ -5,6 +5,8 @@ import (
 	"bytes"
 	"io/ioutil"
 	"os"
+	"strconv"
+	"strings"
 )
 
 // ReadInput isn't here to make friends. It is highly specific to this domain.
@@ -25,7 +27,7 @@ func ReadInput() []string {
 	return lines
 }
 
-// ReadInputS is like ReadInput, but returns a byte array.
+// ReadInputBytes is like ReadInput, but returns a byte array.
 func ReadInputBytes() []byte {
 	rawData, err := ioutil.ReadFile(os.Args[1])
 
@@ -35,3 +37,26 @@ func ReadInputBytes() []byte {
 
 	return bytes.TrimRight(rawData, "\n")
 }
+
+// ReadInputInts is like ReadInput, but returns an array of ints. (space-separated in the input)
+func ReadInputInts() []int {
+	rawData, err := ioutil.ReadFile(os.Args[1])
+
+	if err != nil {
+		panic(err)
+	}
+
+	strData := strings.Split(strings.TrimSpace(string(rawData)), " ")
+	data := []int{}
+	for _, newIntStr := range strData {
+		newInt, err := strconv.Atoi(newIntStr)
+
+		if err != nil {
+			panic(err)
+		}
+
+		data = append(data, newInt)
+	}
+
+	return data
+}