zipcheck

package
v0.0.0-...-de15cc6 Latest Latest
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 Go to latest Published: Feb 19, 2024 License: MIT Imports: 6 Imported by: 0

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Index

Constants

This section is empty.

Variables

This section is empty.

Functions

func AnalyzeFile 

func AnalyzeFile(fname string) (float64, error)

AnalyzeFile will compress a sample of if the file and return estimated reduction percentage. 0 means no reduction, 50% means file might be resuduced to half.

func SampleFile 

func SampleFile(w io.Writer, fp io.ReaderAt, count int, blockSize int64, step int64) (int64, error)

SampleFile reads count blocks of blockSize from fp, and copies them to w.

Types

type CompressResult 

type CompressResult struct {
	T        time.Duration
	Samples  int
	Size     int64
	Bytes    int64
	ZipBytes int64
}

CompressResult returns resuls of comressibility check.

type Null 

type Null struct {
	Bytes int64
}

Null is a /dev/null Writer that counts how many bytes have been written to it.

func (*Null) Write 

func (n *Null) Write(b []byte) (int, error)

Source Files

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