What am I missing here?
Wooshbuild has a line importer so you never use FTP / Filezilla.
Put the line on the usb stick, put usb in front of zgemma, press green button, move down to -USB Cam Importer - , press OK, job done.
Are you 100% sure the file is called Newcamd.list and not for example Newcamd(1).list, or Newcamd.list.txt by mistake?
Do a "right click" on a pc and check the file's properties.