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26 lines
452 B
Go
26 lines
452 B
Go
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// Copyright © 2016 Alan A. A. Donovan & Brian W. Kernighan.
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// License: https://creativecommons.org/licenses/by-nc-sa/4.0/
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// See page 179.
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// The sleep program sleeps for a specified period of time.
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package main
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import (
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"flag"
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"fmt"
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"time"
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)
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//!+sleep
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var period = flag.Duration("period", 1*time.Second, "sleep period")
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func main() {
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flag.Parse()
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fmt.Printf("Sleeping for %v...", *period)
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time.Sleep(*period)
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fmt.Println()
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}
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//!-sleep
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