printf("chr(%d)\n",         ord($ch));   # chr(8212)
printf("chr(0x%04X)\n",     ord($ch));   # chr(0x2014)
printf("\"\\x{%04X}\"\n",   ord($ch));   # "\x{2014}"
printf("\"\\N{U+%04X}\"\n", ord($ch));   # "\N{U+2014}"

use charnames ();
printf("\"\\N{%s}\"\n",
    charnames::viacode(ord($ch)));       # "\N{EM DASH}"