You need to count line number by yourself:

1

    ...

2

    count := 0;

3

4

    while not endfile( filehandle) loop

5

        read( filehandle, data);

6

        count := count + 1;

7

        wait until clk = '1';

8

    end loop;

9

    ...

Duke

felix89 wrote:
> how to find the current line number of a text file im reading

RTFM of your Editor.

@straight. lol i meant while reading a text file from a vhdl test 
bench..btw its my mistake i dint ask the question properly

@Lothar Miller. thanks..  i want to actually read 100 lines when my ctrl 
signal is '0' and 150 line when ctrl signal is '1'

@Lothar Miller. thanks..  i want to actually read 100 lines when my ctrl
signal is '0' and 150 lines when ctrl signal is '1'...

my test file has 8 bit data in each line