(If you are going to use XRCode you don't need to read this)

Help for console-RCode:

rencode <input_file> <output_file> <password>
rencode encodes a text or binary file
input_file: the file to encode. The file won't be deleted
output_file: Name for the file, which the encoded output is put in.
password: thats the password. The password is used for coding

rdecode <input_file> <output_file> <password>
rdecode decodes a with rencode encoded file
input_file: the file to encode. The file won't be deleted
output_file: the name of the file, which the decoded output is put in.

if <input_file> is "-", stdin is used for input
if <output_file> is "-", stdout is used for output