-APTARCHIVE=$(readlink -f ./aptarchive)
-ROOTDIR=${TMPWORKINGDIRECTORY}/rootdir
-APTARCHIVE_LISTS="$(echo $APTARCHIVE | tr "/" "_" )"
+APTARCHIVE="$(readlink -f ./aptarchive)"
+ROOTDIR="${TMPWORKINGDIRECTORY}/rootdir"
+APTARCHIVE_LISTS="$(echo "$APTARCHIVE" | tr "/" "_" )"