system "scanimage -d 'epjitsu' --format tiff --batch='#{CURRENT_FILE}-%d.tif' --source '#{FEED}' --mode 'Gray' --resolution 300" or abort("Sorry, could not talk to scanner")
pdfbuild = fork do
Dir.chdir(SCAN_PATH) do
COMMANDS.each { |c| system(c) or abort("Sorry, #{c.split.first} made a boo boo") }