package main import ( "sync" "time" "github.com/gosuri/uiprogress" ) func main() { waitTime := time.Millisecond * 100 uiprogress.Start() var wg sync.WaitGroup bar1 := uiprogress.AddBar(20).AppendCompleted().PrependElapsed() wg.Add(1) go func() { defer wg.Done() for bar1.Incr() { time.Sleep(waitTime) } }() bar2 := uiprogress.AddBar(40).AppendCompleted().PrependElapsed() wg.Add(1) go func() { defer wg.Done() for bar2.Incr() { time.Sleep(waitTime) } }() time.Sleep(time.Second) bar3 := uiprogress.AddBar(20).PrependElapsed().AppendCompleted() wg.Add(1) go func() { defer wg.Done() for bar3.Incr() { time.Sleep(waitTime) } }() wg.Wait() }