自前rpmのMirrorから最新のrpmだけ抜き出す

http://archive.linux.or.jp/JF/JFdocs/RedHat-CD-HOWTO-5.html

cat updateCD.sh

#! /bin/bash
# This script updates rpms in a RedHat distribution found in $RPMDIR.
# The old rpms will be placed in $OLDDIR.
# The new rpms should be located in $UPDDIR.
# The architechture is $ARCH.

#RHVERSION=5.2
ARCH=i386

#CDDIR=/jaz/redhat-${RHVERSION}
UPDDIR=/inst/ftp.miraclelinux.com/pub/Miracle/ia32/standard/2.1/updates/RPMS
RPMDIR=/tmp/newMiracleRPM
OLDDIR=/tmp/oldMiracleRPM


if [ ! -d $OLDDIR ] ; then
	echo making directory $OLDDIR
	mkdir $OLDDIR
fi

allow_null_glob_expansion=1

for rpm in ${UPDDIR}/*.rpm ; do
	NAME=`rpm --queryformat "%{NAME}" -qp $rpm`
	unset OLDNAME
	for oldrpm in ${RPMDIR}/${NAME}*.rpm ; do
		if [ `rpm --queryformat "%{NAME}" -qp $oldrpm` = "$NAME" ]; then
			OLDNAME=$oldrpm;
			break
		fi
	done
	if [ -z "$OLDNAME" ]; then
		echo $NAME is new
		cp -pv $rpm $RPMDIR
	else
		if [ `basename $rpm` != `basename $OLDNAME` ]; then
			mv $OLDNAME $OLDDIR
			cp -pv $rpm $RPMDIR
		fi
	fi
done