enable conversion

            echo "        handling $fq"

            if [[ "$technology" == "nadia" ]]; then

                echo "        converting barcodes"

                echo sed -i '2~4s/^/AAAA/' ${crIN}/$fq #Add AAAA to every read

                sed -i '2~4s/^/AAAA/' ${crIN}/$fq #Add AAAA to every read

                echo "        converting quality scores"

                echo sed -i '4~4s/^/IIII/'  ${crIN}/$fq #Add quality scores for added bases

                sed -i '4~4s/^/IIII/'  ${crIN}/$fq #Add quality scores for added bases

                echo "        converting UMI"

                echo sed -i '2~4s/[NATCG][NATCG][NATCG][NATCG][NATCG][NATCG]$/AA/'  ${crIN}/$fq #Replace last 6 bases with AA

                sed -i '2~4s/[NATCG][NATCG][NATCG][NATCG][NATCG][NATCG]$/AA/'  ${crIN}/$fq #Replace last 6 bases with AA

                echo "        converting quality scores"

                echo sed -i '4~4s/......$/II/'  ${crIN}/$fq #Replace quality scores for added bases

                sed -i '4~4s/......$/II/'  ${crIN}/$fq #Replace quality scores for added bases

            elif [[ "$technology" == "icell8" ]]; then

                echo "converting barcodes"

                sed -i '2~4s/^/AAAAA/'  ${crIN}/$fq #Add AAAAA to every read