Twas brillig at 15:41:32 14.03.2009 UTC+06 when caesar@academ.org did gyre and gimble:
VI> wget -q http://myip.ru -O - | grep -E "([0-9]{1,3}\.){3}[0-9]{1,3}" | sed 's/[^0-9\.]//g'
wget -q http://myip.ru -O- | perl -ne 'print $1 if /(([0-9]{1,3}\.){3}[0-9]{1,3})/'
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