func upper(name string) interface{} {
	return strings.ToUpper(name)
}
upper returns the uppercased version of name.
package transform
import (
	"crypto/sha1"
	"encoding/hex"
	"hash"
	"io/ioutil"
	"os"
	"path/filepath"
	"strings"
)
func formatName(arg, name string) interface{} {
	switch strings.ToUpper(arg) {
	case "UPPER":
		return upper(name)
	case "LOWER":
		return lower(name)
	}
	return nil
}