Regarding spaces in the last in of TXT file in the outbound interface

Hi ,

I am doing one outbound file, which will have 100 characters length, But last 25 characted i have to fill spaces. When i m trying to fill those 25 chatacters with spaces its not working, i tryed by creating a variabnle of 25 chracted space, still it is not working. Here below i gave the example program....

data: wa_detailed(100) type c.

**************

***********************

wa_detailed+0(1) = 'suresh'.

wa_detailed+70(5) = 'welcom'.

wa_detailed+75(25) = ' ',.

append wa_detailed into ist_download.

This is my program, i m unable to fill those spaces.

can any one respond asap.

Thanks,

Suresh