case strings.HasSuffix(inputFileName, ".zip"):
		outputFileName = strings.TrimSuffix(inputFileName, ".zip") + ".decrypted.zip"
	}

	// Backup any already existing output file
	_, err := os.Stat(outputFileName)
	if err == nil {
		err := os.Rename(outputFileName, outputFileName+"."+time.Now().Format("20060102150405"))
		if err != nil {
			fatalErr(err)
		}
	}

		ht := make(map[string]map[string]interface{})
		file := c.Args().Get(0)
		if strings.HasSuffix(file, ".zip") {
			var sz int64
			f, err := os.Open(file)
			if err != nil {
				return err
			}
			if st, err := f.Stat(); err == nil {
				sz = st.Size()
			}
			defer f.Close()
			zr, err := zip.NewReader(f, sz)
			if err != nil {
				return err
			}
			for _, file := range zr.File {