/* view table */
_viewrt(fname, numl)
{
        if (fileexists(fname))
        {
                viewfile(caststring(fname), 1, numl, 1, 1);
        }
        else if (isvalidurl(fname))
        {
                viewtext(webreadstr(fname), fname);
        }
        else
        {
                /* to generate error */
                viewfile(caststring(fname));
        }
}