improved template added timer

day-1/main.go

@@ -2,6 +2,7 @@
 package main
 
 import (
+	"AoC2021/utils/timer"
 	"bufio"
 	"fmt"
 	"os"
@@ -20,10 +21,13 @@ func check(e error) {
 
 func main() {
 	fmt.Println("--- Day 1: Sonar Sweep ---")
+	timer.Start()
 	part1()
+	timer.Tick()
 	fmt.Println()
 
 	part2()
+	timer.Tick()
 	fmt.Println()
 }
 
@@ -54,7 +58,7 @@ func part1() {
 		lastValue = value
 	}
 
-	fmt.Printf("\nRead %d measurements resulting in %d increases\n", measurements, increases)
+	fmt.Printf("Read %d measurements resulting in %d increases\n", measurements, increases)
 }
 
 func part2() {
@@ -90,7 +94,7 @@ func part2() {
 		w1, w2, w3 = w2, w3, value
 	}
 
-	fmt.Printf("\nRead %d measurements resulting in %d increases\n", measurements, increases)
+	fmt.Printf("Read %d measurements resulting in %d increases\n", measurements, increases)
 }
 
 func printPip(first int, previous int, current int, total int) {

main.go.template

@@ -1,7 +1,8 @@
-/* Day #: */
+/* Day #DAY#: #TITLE# */
 package main
 
 import (
+	"AoC2021/utils/timer"
 	"bufio"
 	"fmt"
 	"os"
@@ -14,24 +15,42 @@ func check(e error) {
 	}
 }
 
-func ReadAllLines(input *os.File) []string {
-	scanner := bufio.NewScanner(input)
-	var text []string
-	for scanner.Scan() {
-		text = append(text, scanner.Text())
-	}
-	return text
-}
-
 func main() {
+	fmt.Println("--- Day #DAY#: #TITLE# ---")
+	timer.Start()
+	part1()
+	timer.Tick()
+	fmt.Println()
 
-	input1, err := os.Open("./input.txt")
+	part2()
-	check(err)
+	timer.Tick()
-
-	text := ReadAllLines(input1)
-	input1.Close()
-
-	fmt.Printf("Read %d lines from %s\n", len(text), "input.txt")
-
 	fmt.Println()
 }
+
+func part1() {
+	fmt.Println("* Part 1 *")
+	fmt.Println(" Goal: ")
+	fmt.Println(" Answer: ")
+
+	input, err := os.Open("./input.txt")
+	check(err)
+	defer input.Close()
+
+	scanner := bufio.NewScanner(input)
+	lines := 0
+	answer := 42
+
+	for scanner.Scan() {
+		_ = scanner.Text()
+		lines++
+	}
+
+	fmt.Printf("Read %d lines from input\n", lines)
+	fmt.Printf("The solution is %d\n", answer)
+}
+
+func part2() {
+	fmt.Println("* Part 2 *")
+	fmt.Println(" Goal: ")
+	fmt.Println(" Answer: ")
+}

makefile

@@ -2,7 +2,7 @@ default: 1
 	# This is my 2021 Advent of Code project
 
 init:
-	mkdir day-$(day); sed 's/#/$(day)/' main.go.template > day-$(day)/main.go; touch day-$(day)/input.txt
+	mkdir day-$(day); sed 's/#DAY#/$(day)/g' main.go.template | sed 's/#TITLE#/$(title)/g' > day-$(day)/main.go; touch day-$(day)/input.txt
 
 0 1:
 	cd day-$@; go run .

utils/timer/timer.go

@@ -0,0 +1,18 @@
+package timer
+
+import (
+	"fmt"
+	"time"
+)
+
+var lastTime time.Time
+
+func Start() {
+	lastTime = time.Now()
+}
+
+func Tick() {
+	now := time.Now()
+	fmt.Printf("[Time taken: %s]\n", now.Sub(lastTime).String())
+	lastTime = now
+}