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