#!/bin/sh
#
# /usr/local/sbin/localshowlogentries
# Copyright 2007-2008 Jonas Smedegaard <dr@jones.dk>
#
# $Id: localshowlogentries,v 1.1 2008-02-03 22:09:07 jonas Exp $
#
# List recent log entries matching certain criteria
#

set -e

output="${output:-shortline}"
logfilecount="${logfilecount:-1}"
pattern="${pattern:-user_dovecot}"

searchstring="$1"
egrep_before="$2"
egrep_after="$3"
sed_shortline="${4:-$sed_longline}"
sed_msgid="$5"
sed_qid="$6"
sed_username="$7"
sed_longline="${8:-s/^\(.\{15\}\) [^:]*: /\1 /}"
sed_time="${8:-s/^\(.\{15\}\) .*$/\1 /}"

case $output in
    shortline)
	sedstring="$sed_shortline"
	;;
    msgid)
	sedstring="$sed_msgid"
	;;
    qid)
	sedstring="$sed_qid"
	;;
    username)
	sedstring="$sed_username"
	;;
    longline)
	sedstring="$sed_longline"
	;;
    time)
	sedstring="$sed_time"
	;;
    *)
	echo >&2 "ERROR: unknwon output \"$output\""
	exit 1
	;;
esac

if [ -z "$sedstring" ]; then
	echo >&2 "ERROR: empty sed string for output \"$output\""
	exit 1
fi

find /var/log -name 'mail.log*' | sort -nr -t. -k3 | tail -n "$logfilecount" | xargs zcat -f \
	| egrep -- "$egrep_before$searchstring$egrep_after" \
	| sed "$sedstring"

exit 0