S="$(DB2 "$S" set _score num:"$score")"
S="$(DB2 "$S" set _source obj:"$(UNSTRING "$source")")"
printf 'obj:%s\t' "$(STRING "$S")"
S="$(DB2 "$S" set _score num:"$score")"
S="$(DB2 "$S" set _source obj:"$(UNSTRING "$source")")"
printf 'obj:%s\t' "$(STRING "$S")"