Description:
This function is used to determine whether the end of the file has been reached when reading from a sequential file. If so, -1 is returned, otherwise 0 is returned.
Usage:
open "testfile" for input as #1
if eof(#1) < 0 then [skipIt]
[loop]
input #1, text$
print text$
if eof(#1) = 0 then [loop]
[skipIt]
close #1