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24 lines
541 B
Go
24 lines
541 B
Go
1 year ago
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package ngo
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import "fmt"
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// DataSize format bytes number friendly. eg: 1024 => 1KB, 1024*1024 => 1MB
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//
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// Usage:
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//
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// file, err := os.Open(path)
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// fl, err := file.Stat()
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// fmtSize := DataSize(fl.Size())
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func DataSize(size uint64) string {
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switch {
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case size < 1024:
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return fmt.Sprintf("%dB", size)
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case size < 1024*1024:
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return fmt.Sprintf("%.2fK", float64(size)/1024)
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case size < 1024*1024*1024:
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return fmt.Sprintf("%.2fM", float64(size)/1024/1024)
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default:
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return fmt.Sprintf("%.2fG", float64(size)/1024/1024/1024)
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}
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}
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