func ExampleFormatPrefix() {
s1 := strconv.FormatPrefix(strconv.Tebi, strconv.SI, 3)
fmt.Printf("1 tebibyte in SI: %sB\n", s1)
s2 := strconv.FormatPrefix(strconv.Tera, strconv.IEC, 3)
fmt.Printf("1 terabyte in IEC: %sB\n", s2)
// Output:
// 1 tebibyte in SI: 1.100TB
// 1 terabyte in IEC: 931.323GiB
}
func getName(f string, l, n int) string {
var sn string
switch n {
case 1e3, 1e4, 1e5, 1e6, 1e7, 1e8, 1e9, 1e10, 1e11, 1e12:
s := fmt.Sprintf("%e", float64(n))
re := regexp.MustCompile("\\.0*e\\+0*")
sn = re.ReplaceAllString(s, "e")
default:
s := strconv.FormatPrefix(float64(n), strconv.Base1024, 2)
sn = strings.Replace(s, ".00", "", -1)
}
return fmt.Sprintf("%s:%d:%s", path.Base(f), l, sn)
}