cd C:\Program Files (x86)\Noteworthy Software\NoteWorthy Composer 2
for /F "delims=" %%i in ('dir /b C:\Users\gustv\Documents\Music\NWC2\Kaaterliedjes\*.nwc ^| findstr /e .nwc') do (
nwc-conv  "C:\Users\gustv\Documents\Music\NWC2\Kaaterliedjes\%%i" NWCTXT > "C:\Users\gustv\Documents\Music\NWC2\Kaaterliedjes\NWCTXT\%%itxt".
)