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    Length: 2322 (0x912)
    Types: TextFile
    Names: »usr/lbin/agefile «

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

TextFile

#ident	"@(#)sadmin:shell/agefile	1.4"
#	age files by moving to older and older names (agefile)

#!	chmod +x ${file}

cmd=$0
defaultcycles=4
header=
pack=	

{ exitcode_=0
while getopts c:fhp 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 ${cmd}

while [ -n "$1" ]
do
	case $1 in
	-c )
		shift
		defaultcycles=$1
		shift
		;;
	-f )	# Take arguments from file name.
		# Lines that start with  #  are comments.
		shift
		shift	#  get rid of -- introduced by getopt
		cat $*  |  grep -v '^#'  |
			xargs ${cmd} -c${defaultcycles} ${headflag} ${packflag} --
		exit
		;;
	-h )
		header=all
		headflag=$1
		shift
		;;
	-p )
		pack=all
		packflag=$1
		shift
		;;
	-- )
		shift
		break
	esac
done

if [ $# = 0 ]
then
	echo >&2 "Usage:  ${cmd} [ -c <cycles> ] [ -p ] [ -h ] file ...
	${cmd} [ -c <cycles> ] [ -p ] [ -h ] -f file ..."
	exit 1
fi

umask 000
for file
do
	if [ -n "${headflag}" ]
	then
		header=yes
	fi
	if [ -n "${packflag}" ]
	then
		pack=.z
	fi
	case ${file} in
	-c[0-9]* )
		nextcycle=`expr ${file} : '-c\(.*\)'`
		continue
		;;
	-p )
		pack=.z
		continue
		;;
	-h )
		header=yes
		continue
	esac
	if [ -n "${nextcycle}" ]
	then
		cycles=${nextcycle}
		lastcycle=${nextcycle}
		nextcycle=
	else
		cycles=${defaultcycles}
		lastcycle=${defaultcycles}
	fi

	if [ ! -f ${file} ]
	then
		echo >&2 "${cmd}:  No file '${file}'"
		continue
	fi

	basename=`basename ${file}`
	while [ ${cycles} -gt 1 ]
	do
		prev=`expr ${cycles} - 1`
		if [ `expr ${basename}-${cycles}${pack} : '.*'` -gt 14 ]
		then
			echo >&2 "${cmd}:  filename too long '${file}-${cycles}${pack}'"
			cycles=${prev}
			continue
		fi
		if [ ${cycles} = ${lastcycle} ]
		then
			rm -f ${file}-${cycles} ${file}-${cycles}.z
		fi
		if [ -f ${file}-${prev}.z ]
		then
			mv -f ${file}-${prev}.z ${file}-${cycles}.z
		elif [ -f ${file}-${prev} ]
		then
			mv -f ${file}-${prev} ${file}-${cycles}
		fi
		cycles=${prev}
	done
	mv -f ${file} ${file}-1

	if [ -n "${pack}" ]
	then
		pack ${file}-1 >/dev/null 2>&1
		pack=
	fi

	>> ${file}
	if [ ${header} ]
	then
		(date; echo ============================) >> ${file}
		header=
	fi
done