func Extract(reader *zip.Reader, targetRoot, sourceRoot string) error {
	sourceRoot = path.Clean(sourceRoot)
	if sourceRoot == "." {
		sourceRoot = ""
	}
	if !isSanePath(sourceRoot) {
		return fmt.Errorf("cannot extract files rooted at %q", sourceRoot)
	}
	extractor := extractor{targetRoot, sourceRoot}
	for _, zipFile := range reader.File {
		if err := extractor.extract(zipFile); err != nil {
			cleanName := path.Clean(zipFile.Name)
			return fmt.Errorf("cannot extract %q: %v", cleanName, err)
		}
	}
	return nil
}
// Extract extracts files from the supplied zip reader, from the (internal, slash-
// separated) source path into the (external, OS-specific) target path. If the
// source path does not reference a directory, the referenced file will be written
// directly to the target path.
Extract extracts files from the supplied zip reader, from the (internal, slash
separated) source path into the (external, OS-specific) target path. If the
source path does not reference a directory, the referenced file will be written
directly to the target path.
// Extract extracts files from the supplied zip reader from the ( internal slash - // separated ) source path into the ( external OS - specific ) target path . If the // source path does not reference a directory the referenced file will be written // directly to the target path .
func Extract(reader *zip.Reader, targetRoot, sourceRoot string) error {
	sourceRoot = path.Clean(sourceRoot)
	if sourceRoot == "." {
		sourceRoot = ""
	}
	if !isSanePath(sourceRoot) {
		return fmt.Errorf("cannot extract files rooted at %q", sourceRoot)
	}
	extractor := extractor{targetRoot, sourceRoot}
	for _, zipFile := range reader.File {
		if err := extractor.extract(zipFile); err != nil {
			cleanName := path.Clean(zipFile.Name)
			return fmt.Errorf("cannot extract %q: %v", cleanName, err)
		}
	}
	return nil
}
func Extract ( reader * zip . Reader , targetRoot , sourceRoot string ) error { sourceRoot = path . Clean ( sourceRoot ) if sourceRoot == " " { sourceRoot = " " } if ! isSanePath ( sourceRoot ) { return fmt . Errorf ( " " , sourceRoot ) } extractor := extractor { targetRoot , sourceRoot } for _ , zipFile := range reader . File { if err := extractor . extract ( zipFile ) ; err != nil { cleanName := path . Clean ( zipFile . Name ) return fmt . Errorf ( " " , cleanName , err ) } } return nil }
Extract extracts files from the supplied zip reader, from the (internal, slash
separated) source path into the (external, OS-specific) target path.
Extract extracts files from the supplied zip reader from the ( internal slash separated ) source path into the ( external OS - specific ) target path .