tu=$(cat /export/home/a1016169/stack.txt;)
                    tu1=$(echo "$tu" | awk '/EM_CLIENT_VERSION/{x=NR+17}(NR<=x){print}' | awk '/tu/{x=NR+1}(NR<=x){getline; print}' | awk -F= '{print $(NR+2)}' | perl -lne 'print substr($_,19,5)';)
                    print "n $tu1"

                    qc=$(cat /export/home/a1016169/stack.txt;)
                    qc1=$(echo "$qc" | awk '/EM_CLIENT_VERSION/{x=NR+17}(NR<=x){print}' | awk '/qc/{x=NR+1}(NR<=x){getline; print}' | awk -F= '{print $(NR+2)}' | perl -lne 'print substr($_,19,5)';)
                    print "n $qc1"

                    sed 's/"$qc1"/"$tu1"/' - > /export/home/a1016169/stack.txt