27 lines
657 B
Go
27 lines
657 B
Go
package utils
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import (
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"fmt"
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"strconv"
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"strings"
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)
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var sizeSuffixes = [...]string{"B", "KiB", "MiB", "GiB", "TiB"}
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// ConvertFileSize converts size in bytes down to biggest units it represents.
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// Returns converted size, unit and, a concatenation of size and unit
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func ConvertFileSize(size int64) (float64, string, string) {
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var idx int
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var fSize float64 = float64(size)
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for idx = 0; fSize >= 1024; fSize /= 1024 {
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idx++
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}
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fSizeStr := strconv.FormatFloat(fSize, 'f', 3, 64)
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fSizeStr = strings.TrimRight(fSizeStr, "0")
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fSizeStr = strings.TrimSuffix(fSizeStr, ".")
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return fSize, sizeSuffixes[idx], fmt.Sprint(fSizeStr, sizeSuffixes[idx])
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}
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