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    Length: 1753 (0x6d9)
    Types: TextFile
    Names: »usr/lbin/lightenfs «

└─⟦307897ef0⟧ Bits:30004042/core1.imd SW95705I 386/ix Multi-user Release 1.2
    └─⟦this⟧ »usr/lbin/lightenfs « 

TextFile

#ident	"@(#)sadmin:shell/lightenfs	1.4"
#	"lighten the ship" routine to clean up file systems

#!	chmod +x ${file}

{ exitcode_=0
while getopts d:lt:v c
do
	case $c in
	\?)
		exitcode_=1
		break;;
	*)	if [ "$OPTARG" ]
		then
			arg="$arg -$c '$OPTARG'"
		else
			arg="$arg -$c"
		fi;;
	esac
done
shift `expr $OPTIND - 1`
arg="$arg --"
for i in "$@"
do
	arg="$arg '$i'"
done
eval set -- "$arg"
test  $exitcode_ = 0 ;}  ||  exec $0

days=4
listonly=
threshold=4000
verbose=
for flag
{
	case "${flag}" in
	-d )
		days=$2
		shift
		;;
	-l )
		listonly=yes
		;;
	-t )
		threshold=$2
		shift
		;;
	-v )
		verbose=yes
		;;
	-- )
		shift
		break
		;;
	-* )
		admerr $0 "Bad flag argument '${flag}'."
		exit
		;;
	* )
		continue
	esac
	shift
}

if [ $# -ne 2 ]
then
	echo >&2 "Usage:  $0 [-d<days>] [-t<threshold>] [-v] [-l] filesystem patternfile
For more detail type:	prtdoc syscmd.`basename $0`"
	exit 1
fi

fs=$1
patternfile=$2
blocks=`expr "\`df ${fs}\`" : '.*[^0-9]\([0-9]\{1,\}\) blocks '`
if [ ${blocks} -ge ${threshold} ]
then
	if [ ${verbose} ]
	then
		echo ${blocks} blocks greater than threshold ${threshold}
	fi
	exit 0
fi
if [ ${verbose} ]
then
	echo ${blocks} blocks free, need ${threshold}
fi
patterns=`sed 's/.*/\\\\;&;p/' ${patternfile}`

find ${fs} -type f -mtime +${days} -print 2>/dev/null  |
	sed -n "${patterns}"  |
	xargs ls -tr  |
	while read f
	do
		if [ ${listonly} ]
		then
			echo ${f}
			continue
		fi
		rm -f ${f}
		blocks=`expr "\`df ${fs}\`" : '.*[^0-9]\([0-9]\{1,\}\) blocks '`
		if [ ${verbose} ]
		then
			echo rm ${f} -- now ${blocks} blocks free
		fi
		if [ ${blocks} -ge ${threshold} ]
		then
			if [ ${verbose} ]
			then
				echo Threshold met.
			fi
			#	swallow the rest of the ls
			cat >/dev/null
			exit 0
		fi
	done