if (global.osflavor <= 2)
{
    return file_text_open_read(argument0);
}
else
{
    var name = string_lower(argument0);
    var file = ds_map_find_value(global.savedata, name);
    if (is_undefined(file))
        return undefined;
    var data = file;
    var num_lines = 0;
    var lines;
    while (string_byte_length(data) > 0)
    {
        var newline_pos = string_pos("
", data);
        var line;
        if (newline_pos > 0)
        {
            var nextline_pos = newline_pos + 1;
            if (newline_pos > 1 && string_char_at(data, newline_pos - 1) == "
")
                newline_pos--;
            if (newline_pos > 1)
                line = substr(data, 1, newline_pos - 1);
            else
                line = "";
            if (nextline_pos <= strlen(data))
                data = substr(data, nextline_pos);
            else
                data = "";
        }
        else
        {
            line = data;
            data = "";
        }
        lines[num_lines++] = line;
    }
    handle = ds_map_create();
    ds_map_set(handle, "is_write", 0);
    ds_map_set(handle, "text", lines);
    ds_map_set(handle, "num_lines", num_lines);
    ds_map_set(handle, "line", 0);
    ds_map_set(handle, "line_read", 0);
    return handle;
}