// File handling example
DECLARE LineOfText : STRING
OPENFILE "FileA.txt" FOR READ
OPENFILE "FileB.txt" FOR WRITE
WHILE NOT EOF("FileA.txt") DO
READFILE "FileA.txt", LineOfText
IF LineOfText = "" THEN
WRITEFILE "FileB.txt", "---"
ELSE
WRITEFILE "FileB.txt", LineOfText
ENDIF
ENDWHILE
CLOSEFILE "FileA.txt"
CLOSEFILE "FileB.txt"