isPortAtEOF

isPortAtEOF(
p_port
)
=> t / nil

Takes an input port and returns t if end-of-file (EOF) has previously been detected while reading the input port; it returns nil otherwise.

p_port

Input port. This must be open, otherwise the function will return an error.

`t`	End-of-file (EOF) has previously been detected while reading the input port p_port.
`nil`	End-of-file (EOF) has not been reached yet.

port = infile("input_file")

while(! isPortAtEOF(port)

    printf("%L\n" read(port))

close(port)