IfFileExists *.gnt copythefile

Hi,

I look a file with a specific extension and i do copy this

IfFileExists $INSTDIR\*.GNT found end

;*** here copy this file in $R1 !? ***

found:

 CreateDirectory $TEMP\test

 CopyFiles $INSTDIR\$R1 $TEMP\test\$R1 

end:

how to get his name ?
thank

The Find* instructions

Using CopyFiles $INSTDIR $TEMP\test to copy whole folder