Opens the file named
filename for reading.
The read position is initially at the beginning of the file.
filename can also be the reserved word
"clipboard to read data from the clipboard just like a file.
binarymode is a boolean value (TRUE or FALSE).
binarymode is FALSE or not given, then the file is read as a text file.
That is, the end-of-line sequence is converted from CRLF to LF.
binarymode is TRUE, then the file is read as a binary file.
That is, no end-of-line sequence conversion is performed.
OPENWRITE "dummy.fil SETWRITE "dummy.fil PRINT "Hello PRINT [Good Bye] SETWRITE  CLOSE "dummy.fil OPENREAD "dummy.fil SETREAD "dummy.fil REPEAT 2 [SHOW READLIST][Hello] [Good Bye]
SETREAD  CLOSE "dummy.fil