BYTE data serialization

When using channels, binary data stored in BYTE variables is serialized in hexadecimal.

For example, with the following program:

MAIN
    DEFINE ch base.Channel
    DEFINE rec RECORD
               id INT,
               image BYTE
           END RECORD
    LET ch = base.Channel.create()
    CALL ch.openFile("myfile.txt","w")
    LET rec.id = 99999
    LOCATE rec.image IN FILE "mydata.bin"
    CALL ch.write(rec)
    CALL ch.close()
END MAIN

On Unix, create the binary file like this:

$ echo -n -e '\x8f\x9f\xff' > mydata.bin

$ fglcomp ch.4gl && fglrun ch.42m

99999|8f9fff|