This chunk size worked at the first try, uploading a
~100KiB file, so let's stick with it. */
This chunk size worked at the first try, uploading a
~100KiB file, so let's stick with it. */
/* If the user provided the output directory where she wishes
to save the receipt, then we use it. Otherwise, we save
the file in the current working directory (CWD). */
/* If the user provided the output directory where she wishes
to save the receipt, then we use it. Otherwise, we save
the file in the current working directory (CWD). */