twins/util.go

18 lines
307 B
Go

package main
import "fmt"
func formatFileSize(b int64) string {
const unit = 1000
if b < unit {
return fmt.Sprintf("%d B", b)
}
div, exp := int64(unit), 0
for n := b / unit; n >= unit; n /= unit {
div *= unit
exp++
}
return fmt.Sprintf("%.0f %cB",
float64(b)/float64(div), "KMGTPE"[exp])
}