How Can I Perform Repetitive Background Tasks at Intervals in Go?

Performing Repetitive Background Tasks in Go at Intervals

In Java, the Timer.schedule method offers a convenient way to execute periodic background tasks. This raises the question: is there an analogous approach available in Go?

A possible solution involves utilizing a goroutine and time.sleep(), but this can be unwieldy. Fortunately, Go provides a more elegant solution: time.NewTicker.

time.NewTicker creates a channel that continuously sends a periodic message, providing a simple and effective way to schedule repetitive tasks. To employ time.NewTicker:

ticker := time.NewTicker(5 * time.Second)
quit := make(chan struct{})

go func() {
    for {
        select {
        case <- ticker.C:
            // Perform the desired task
        case <- quit:
            ticker.Stop()
            return
        }
    }
}()

To terminate the worker responsible for executing the tasks, simply close the quit channel:

close(quit)

This approach offers a clean and straightforward method for performing repetitive background tasks at regular intervals in Go.

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