for %%s in (Y:\ACS\data\rtr\CHS_cp0ex\dataFiles\Reported\TTFILE*.*) do (
Y:\ACS\data\rtr\CHS_cp0ex\dataFiles\Reported\deasn9.exe -a Y:\ACS\data\rtr\CHS_cp0ex\dataFiles\Reported\cme20MSS13a_itu -b %%s >Y:\ACS\data\rtr\CHS_cp0ex\dataFiles\tmp\%%s:~ns.txt
)
i tried to get filenames from folder Y:\ACS\data\rtr\CHS_cp0ex\dataFiles\Reported\
but \%%s:~ns cannot get filename ,why?