day 04

pkg/aoc/readFile.go

@@ -0,0 +1,32 @@
+package aoc
+
+import (
+	"os"
+	"strings"
+)
+
+func ReadFile(test bool) string {
+	fileName := "input"
+
+	if test {
+		fileName = "test"
+	}
+
+	if cont, err := os.ReadFile(fileName); err != nil {
+		panic(err)
+	} else {
+		return strings.TrimSpace(string(cont))
+	}
+}
+
+func ReadFileRows(test bool) []string {
+	cont := ReadFile(test)
+
+	rows := strings.Split(cont, "\n")
+
+	for ii, rr := range rows {
+		rows[ii] = strings.TrimSpace(rr)
+	}
+
+	return rows
+}

pkg/aoc/stringToGrid.go

@@ -0,0 +1,13 @@
+package aoc
+
+import "strings"
+
+func RowsToGrid(r []string) [][]string {
+	grid := make([][]string, len(r))
+
+	for ii, rr := range r {
+		grid[ii] = strings.Split(rr, "")
+	}
+
+	return grid
+}