Snippet revisions — Bitbucket

+package main

+import (

+        "fmt"

+        "time"

+)

+func main() {

+        // Start loop

+        for {

+                // Clear the screen using ANSI escape codes

+                fmt.Print("\033[H\033[2J")

+                // Print current time for clarity and context

+                fmt.Print(time.Now(), "\n\n")

+                // Calculate the percentage how many seconds this year has progressed

+                percentage := calcPercentage()

+                // Convert percentage number into a human readable graph

+                printGraphic(percentage)

+                // Calculate required delay so this updates once every second on the second

+                delay := calcDelay()

+                // Delay

+                time.Sleep(delay)

+        }

+}

+func calcPercentage() float64 {

+        // Current Time

+        ct := time.Now()

+        t1 := Date(ct.Year(), 1, 1)

+        // Next year

+        ny := ct.AddDate(1, 0, 0)

+        t2 := Date(ny.Year(), 1, 1)

+        // Get all the seconds in a year

+        seconds := t2.Sub(t1).Seconds()

+        // Calculate the difference in seconds between ct and ny

+        tdiff := ct.Sub(t1).Seconds()

+        // Return the percentage

+        return calcPercentageFloat64(seconds, tdiff)

+}

+func calcPercentageFloat64(full float64, part float64) float64 {

+        return part / (full / 100)

+}

+func Date(year, month, day int) time.Time {

+        return time.Date(year, time.Month(month), day, 0, 0, 0, 0, time.UTC)

+}

+func printGraphic(percentage float64) {

+        counter := 0

+        workPerc := percentage

+        fmt.Print(" |")

+        for workPerc > 2 {

+                fmt.Print("▓")

+                workPerc = workPerc - 2

+                counter++

+        }

+        if workPerc < 2 {

+                fmt.Print("▒")

+                counter++

+        }

+        for counter < 50 {

+                fmt.Print("░")

+                counter++

+        }

+        fmt.Print("| ", percentage, "%\n")

+}

+func calcDelay() time.Duration {

+        // Current Time

+        ct := time.Now()

+        // Future Time

+        ft := ct.Add(1 * time.Second)

+        // Required time

+        rt := time.Date(ft.Year(), ft.Month(), ft.Day(), ft.Hour(), ft.Minute(), ft.Second(), int(0), time.UTC)

+        // Diff time

+        return rt.Sub(ct)

+}

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