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annotate src/gosleep.go @ 35:a4a54931b6fa

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add gf.go.
author pyon@macmini
date Wed, 20 Nov 2019 06:19:13 +0900
parents 8a9ffd02a148
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 package main
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2
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3 import (
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4 "fmt"
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5 "os"
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6 "time"
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7 )
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8
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9 func main() {
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10 m := "1s"
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11 if len(os.Args) > 1 {
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12 m = fmt.Sprintf("%ss", os.Args[1])
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13 }
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14 d, err := time.ParseDuration(m)
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15 if err != nil {
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16 fmt.Println("bad time.")
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17 os.Exit(1)
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18 }
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19 time.Sleep(d)
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20 }
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