You're right of course. Thanks for the catch.

>>JUSTEXT(U:\PDM\Data\neil.txt)
>>
>>>Can anybody help me in how I find out the file extension for a file programmatically is the file path is passed in as parameter i.e. U:\PDM\Data\neil.txt when I run my program I want is to return
>>>txt
>>>
>>>Many Thanks
>
>You need quotes or other string indicator around that constant.