62 lines
1.1 KiB
Go
62 lines
1.1 KiB
Go
package format
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import (
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"fmt"
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"math"
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)
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const (
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Byte = 1
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KiloByte = Byte * 1000
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MegaByte = KiloByte * 1000
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GigaByte = MegaByte * 1000
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TeraByte = GigaByte * 1000
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KibiByte = Byte * 1024
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MebiByte = KibiByte * 1024
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)
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func HumanBytes(b int64) string {
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var value float64
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var unit string
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switch {
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case b >= TeraByte:
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value = float64(b) / TeraByte
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unit = "TB"
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case b >= GigaByte:
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value = float64(b) / GigaByte
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unit = "GB"
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case b >= MegaByte:
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value = float64(b) / MegaByte
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unit = "MB"
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case b >= KiloByte:
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value = float64(b) / KiloByte
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unit = "KB"
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default:
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return fmt.Sprintf("%d B", b)
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}
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switch {
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case value >= 100:
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return fmt.Sprintf("%d %s", int(value), unit)
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case value >= 10:
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return fmt.Sprintf("%d %s", int(value), unit)
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case value != math.Trunc(value):
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return fmt.Sprintf("%.1f %s", value, unit)
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default:
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return fmt.Sprintf("%d %s", int(value), unit)
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}
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}
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func HumanBytes2(b int64) string {
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switch {
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case b >= MebiByte:
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return fmt.Sprintf("%.1f MiB", float64(b)/MebiByte)
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case b >= KibiByte:
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return fmt.Sprintf("%.1f KiB", float64(b)/KibiByte)
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default:
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return fmt.Sprintf("%d B", b)
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}
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}
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