>how do i read from a text file? like i want to know the string or characters in (x,y).
>
>how do i check the last line?

There're many ways to read from a text file and which one to use depends on what kind of data is stored in it. Here're are some of them :
- FILETOSTR()
- LLFF: FOPEN, FGET/FREAD, FCLOSE, e.t.c
- APPEND FROM TYPE < whatever >