>>>Hi All,
>>>
>>>A colleague has since long a UDF named ISTR() that is used in many places. Since vfp9 there is a new function named ISTRANSACTABLE() that can also be shortened to ISTR(). The UDF is no longer found.
>>>
>>>Is there any way of dealing with this situation other that going through the tedious and dangerous process of searching and replacing all occurences of the UDF?
>>
>>Perhaps a #DEFINE, if the programmer uses #INCLUDE files consistently.
>>
>>But I would prefer a search and replace.
>
>Agree. Thx for the advice.

I think I should elaborate on the #DEFINE suggestion. The following might be obvious to you, but I'll include it, for the benefit of others.

Your istr() function should be renamed, for instance, to MyIstr().

Then, you can

#DEFINE istr MyIstr

All programs, of course, should have the appropriate #INCLUDE directive, the include file must also be specified in all forms and classes. (As many developers are doing already.)

I think you can still use istransactable(), as long as you don't abbreviate it to four letter.