100.clean-logs

Mac OS X 10.4.9 for x86 Source Code crontabs 实现源代码

#!/bin/sh
#
# $FreeBSD: src/etc/periodic/daily/110.clean-tmps,v 1.6.2.3 2001/07/26 09:04:14 brian Exp $
#
# Perform log directory cleaning so that long-lived systems
# don't end up with excessively old files there.
#

# If there is a global system configuration file, suck it in.
#
if [ -r /etc/defaults/periodic.conf ]
then
    . /etc/defaults/periodic.conf
    source_periodic_confs
fi

case "$daily_clean_logs_enable" in
    [Yy][Ee][Ss])
	if [ -z "$daily_clean_logs_days" ]
	then
	    echo '$daily_clean_logs_enable is set but' \
		'$daily_clean_logs_days is not'
	    rc=2
	else
	    echo ""
	    echo "Removing old log files:"

	    set -f noglob
	    args="-atime +$daily_clean_logs_days -mtime +$daily_clean_logs_days"
	    [ -n "$daily_clean_logs_ignore" ] &&
		args="$args "`echo " ${daily_clean_logs_ignore% }" |
		    sed 's/[ 	][ 	]*/ ! -name /g'`
	    case "$daily_clean_logs_verbose" in
		[Yy][Ee][Ss])
		    print=-print;;
		*)
		    print=;;
	    esac

	    rc=$(for dir in $daily_clean_logs_dirs
		do
		    [ ."${dir#/}" != ."$dir" -a -d $dir ] && cd $dir && {
			find -d . -type f $args -delete $print
			find -d . ! -name . -type d -empty -mtime \
			    +$daily_clean_logs_days -delete $print
		    } | sed "s,^\\.,  $dir,"
		done | tee /dev/stderr | wc -l)
	    [ -z "$print" ] && rc=0
	    [ $rc -gt 1 ] && rc=1
	    set -f glob
	fi;;

    *)  rc=0;;
esac

exit $rc