myfile argument1.txt argument2.txt

function exitcode = echo(a,b)

display(a);
display(b);

exitcode = 0;

function rc = display_product(a,b)

a = str2num(a);
b = str2num(b);

display(a*b);

rc = 0;

function myfunc(arg1, arg2, varargs)
end

function(1, [1 2 3], 'optional1', 2)

function('1', '[1 2 3]', 'optional1', '2')

function r=evalArguments(parser, arguments)
    % Evaluates parsed arguments' values.
    % Given a parser containing parsed arguments, all string values of the
    % arguments specified by parameter "arguments" are evaluated
    % and the complete results is returned in a new struct.

    r = parser.Results;
    for j=1:length(arguments)
        argValue = r.(arguments{j});
        if ischar(argValue)
            r.(arguments{j}) = eval(argValue);
        end
    end
end

p = inputParser;
p.addRequired('arg1');
p.addRequired('arg2');
p.addParameter('optional1', 0);
p.parse(arg1, arg2, varargin{:});
nonStringArguments = {'arg1', 'arg2', 'optional1'};
args = evalArguments(p, nonStringArguments);
...
x = args.arg1;
y = args.arg2;
z = args.optional1;