DEVICE filesystem device index of path
function i = device(file, backend) arguments file {mustBeTextScalar} backend (1,:) string = ["java", "python", "sys"] end fun = hbackend(backend, "device"); i = fun(file); end
function i = device(file, backend) arguments file {mustBeTextScalar} backend (1,:) string = ["java", "python", "sys"] end fun = hbackend(backend, "device"); i = fun(file); end