github.com/titanous/docker@v1.4.1/pkg/units/duration.go (about) 1 package units 2 3 import ( 4 "fmt" 5 "time" 6 ) 7 8 // HumanDuration returns a human-readable approximation of a duration 9 // (eg. "About a minute", "4 hours ago", etc.) 10 func HumanDuration(d time.Duration) string { 11 if seconds := int(d.Seconds()); seconds < 1 { 12 return "Less than a second" 13 } else if seconds < 60 { 14 return fmt.Sprintf("%d seconds", seconds) 15 } else if minutes := int(d.Minutes()); minutes == 1 { 16 return "About a minute" 17 } else if minutes < 60 { 18 return fmt.Sprintf("%d minutes", minutes) 19 } else if hours := int(d.Hours()); hours == 1 { 20 return "About an hour" 21 } else if hours < 48 { 22 return fmt.Sprintf("%d hours", hours) 23 } else if hours < 24*7*2 { 24 return fmt.Sprintf("%d days", hours/24) 25 } else if hours < 24*30*3 { 26 return fmt.Sprintf("%d weeks", hours/24/7) 27 } else if hours < 24*365*2 { 28 return fmt.Sprintf("%d months", hours/24/30) 29 } 30 return fmt.Sprintf("%f years", d.Hours()/24/365) 31 }