This is a script which you can use to call SJBplus:
#! /bin/bash
# converts a positiv and negative vectorfile to a positive one
# calls "SJBplus"
# output: $1.vector
NAME=$1
echo now adjusting $NAME.vector...
mv $NAME.vector $NAME.neg.vector
sjbplus $NAME.neg.vector >$NAME.vector
rm $NAME.neg.vector