extensions

Documentation

Index

• type Options
  • func NewGzip(level int) *Options
  • func (opts *Options) Compress() error

Types

type Options

type Options struct {
	Filename string
	Level    int
}

func NewGzip

func NewGzip(level int) *Options

func (*Options) Compress

func (opts *Options) Compress() error

Compress reads the file stream to write compressed data use io.Pipe and a goroutine to create reader on data written by the appliation.

Then copy file through gzip to pipe writer with chosen compression algorithm level This uses CloseWithError to propgate errors back to the main goroutine. Then flush to the writer stream