oct_to_dec

COPY/// @func   oct_to_dec(oct)
///
/// @desc   Returns an integer converted from an octal string.
///
/// @param  {string}    oct         octal digits
///
/// @return {real}      positive integer
///
/// GMLscripts.com/license

function oct_to_dec(oct) 
{
    var dec = 0;

    var dig = "01234567";
    var len = string_length(oct);
    for (var pos = 1; pos <= len; pos += 1) {
        dec = dec << 3 | (string_pos(string_char_at(oct, pos), dig) - 1);
    }

    return dec;
}