Commit 07dd21e

@@ -0,0 +1,151 @@
+package main
+
+import (
+	"bufio"
+	"fmt"
+	"log"
+	"os"
+	"strconv"
+	"strings"
+)
+
+const (
+	example = "e"
+	puzzle  = "p"
+)
+
+type InputType string
+
+func Input(day int, part int, inputType InputType) (input []string, err error) {
+
+	inputFilename := fmt.Sprintf("../input/%02d-%s%di.txt", day, inputType, part)
+	file, err := os.Open(inputFilename)
+	if err != nil {
+		return input, fmt.Errorf("failed to open %s: %w", inputFilename, err)
+	}
+	defer file.Close()
+
+	scanner := bufio.NewScanner(file)
+	for scanner.Scan() {
+		input = append(input, scanner.Text())
+	}
+	if err := scanner.Err(); err != nil {
+		return input, fmt.Errorf("failed to scan by lines: %w", err)
+	}
+	return input, nil
+
+}
+
+func InputExample(day int, part int) (input []string, err error) {
+	return Input(day, part, example)
+}
+
+func InputPuzzle(day int, part int) (input []string, err error) {
+	return Input(day, part, puzzle)
+}
+
+func part1(input []string) (solution int) {
+	sum := 0
+	for _, line := range input {
+		//num := []string{}
+		first := ""
+		last := ""
+		for _, c := range line {
+			if _, err := strconv.Atoi(string(c)); err == nil {
+				//num = append(num, string(c))
+				if first == "" {
+					first = string(c)
+				}
+				last = string(c)
+			}
+		}
+		value, err := strconv.Atoi(strings.Join([]string{first, last}, ""))
+		if err != nil {
+			log.Fatal(err)
+		}
+		sum = sum + value
+	}
+	return sum
+}
+
+func unSpellOut(s string) string {
+	found := false
+	digits := map[string]string{
+		"one":   "1",
+		"two":   "2",
+		"three": "3",
+		"four":  "4",
+		"five":  "5",
+		"six":   "6",
+		"seven": "7",
+		"eight": "8",
+		"nine":  "9",
+	}
+	for k, v := range digits {
+		s = strings.ReplaceAll(s, k, v)
+		strings.Index()
+	}
+	return s
+}
+
+func part2(input []string) (solution int) {
+	sum := 0
+	for _, line := range input {
+		line = unSpellOut(line)
+		first := ""
+		last := ""
+		for _, c := range line {
+			if _, err := strconv.Atoi(string(c)); err == nil {
+				//num = append(num, string(c))
+				if first == "" {
+					first = string(c)
+				}
+				last = string(c)
+			}
+		}
+		value, err := strconv.Atoi(strings.Join([]string{first, last}, ""))
+		fmt.Println(line, value)
+		if err != nil {
+			log.Fatal(err)
+		}
+		sum = sum + value
+	}
+	return sum
+}
+
+func main() {
+	e1, err := InputExample(1, 1)
+	if err != nil {
+		log.Fatal(err)
+	}
+	p1, err := InputPuzzle(1, 1)
+	if err != nil {
+		log.Fatal(err)
+	}
+	e2, err := InputExample(1, 2)
+	if err != nil {
+		log.Fatal(err)
+	}
+	//p2, err := InputPuzzle(1, 2)
+	//if err != nil {
+	//	log.Fatal(err)
+	//}
+	fmt.Println("Example 1:", part1(e1))
+	fmt.Println("Puzzle  1:", part1(p1))
+	fmt.Println("Example 2:", part2(e2))
+	//fmt.Println("Puzzle  2:", part2(p2))
+	
+}
+
+
+
+
+
+
+
+
+
+
+
+
+

@@ -0,0 +1,7 @@
+two1nine
+eightwothree
+abcone2threexyz
+xtwone3four
+4nineeightseven2
+zoneight234
+7pqrstsixteen

@@ -0,0 +1,1 @@
+01-p1i.txt
\ No newline at end of file