rocklinux/package/base/sysklogd/logrotate.cron

#!/bin/bash
#
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# ROCK Linux: rock-src/package/base/sysklogd/logrotate.cron
# ROCK Linux is Copyright (C) 1998 - 2006 Clifford Wolf
# 
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echo "Logfile sizes (/var/log only): "
for filename in `find /var/log -type f ! -name '*.gz'` ; do
	kilobytes=`du -k $filename | cut -f1`
	if [ $kilobytes -gt 4096 ] ; then
		echo -e "$kilobytes\t$filename\t(rotate, sending sighup)"
		for num in `seq 3 -1 1` ; do
			[ -f "$filename-$num.gz" ] && mv "$filename-$num.gz" "$filename-$(( $num + 1 )).gz"
		done
		read mode uid gid < <( stat -c "%a %u %g" "$filename" )
		mv "$filename" "$filename-1" ; fuser -s -k -HUP "$filename-1"
		sleep 5 ; gzip "$filename-1"
		touch "$filename"
		chmod $mode "$filename"
		chown $uid:$gid "$filename"
	else
		echo -e "$kilobytes\t$filename\t(don't rotate, less than 4 MB)"
	fi
done 2>&1 | expand -t6,45

echo