Sergey
Didn't you mean

if file(lcTempName+".ERR") ?

Jaime

>IF (lcTempName + ".ERR")
> * Error in the code
>ELSE
> DO (lcTempName + ".FXP")
>ENDIF
>ERASE (lcTempName + ".*")
>
>>Sorry, clearify my question :
>>
>>I build the commands in runtime, and use EXESCRIPT() to run the program. Just want to make the statements are correct. So I need a way to verify it before I running in runtime.
>>
>>TIA.