Viv

Thank you for clarifying.

It was really all fuzzy in my mind.

Should I convert all D to E and E to D at the sametime ?

Or there is no sense in it ?

Any hint to do this encrytion and decryption ?


Moises





>>Hi
>>
>>I stored a picture in blob field and I am testing codes below:
>>
>>REPLACE DATA2 WITH STRTRAN (data2,"D","E")
>>
>>The picture becomes fuzzy ( OK)
>>
>>REPLACE DATA2 WITH STRTRAN (data2,"E","D")
>>
>>Then, picture became yet more fuzzy.
>>
>>Why picture does not go back to normal ?
>>
>>I already tried CHRTRAN
>
>If there are 'E's in the string already then you're going to end up converting a lot of the original 'E's to a 'D' so you don't get what you started with:
>
>ABCDE
>D => E
>ABCEE
>E => D
>ABCDD
>
>What are you trying to achieve?