udp2log filter

udp2log_filter.sh

#!/usr/bin/env bash

LOGDIR="/var/log"   # destination for log files

# Reads lines from standard input. For each line, write into a log file whose
# name is generate from the first field in the line and the current date.
# Fields are whitespace-delimited. For example, the line "foo bar buzz 123" 
# will be recorded in the file "foo-2012-06-06.log"

while read -r line ; do
	read -r head tail <<< "${line}"
	echo "${line}" >> "${LOGDIR}/${head}-$(date +%F).log"
done