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package format
import "fmt"
func FileSize(size int64) string {
const unit = 1024
if size < unit {
return fmt.Sprintf("%d B", size)
}
div, exp := int64(unit), 0
for n := size / unit; n >= unit; n /= unit {
div *= unit
exp++
}
val := float64(size) / float64(div)
unitStr := "KMGTPE"[exp : exp+1]
if val == float64(int64(val)) {
return fmt.Sprintf("%d %sB", int64(val), unitStr)
}
return fmt.Sprintf("%.2f %sB", val, unitStr)
}
func Count(count int64) string {
if count < 1000 {
return fmt.Sprintf("%d", count)
} else if count < 1000000 {
return fmt.Sprintf("%.1fK", float64(count)/1000)
} else {
return fmt.Sprintf("%.1fM", float64(count)/1000000)
}
}
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