initialise lock file if no other jobs running (first call)

#create .lock file if none exists

if [[ ! -f  ${DIR}-cs/${VERSION}/lib/python/cellranger/barcodes/.lock ]]

    then

    echo "creating lock file"

    echo 0 > ${DIR}-cs/${VERSION}/lib/python/cellranger/barcodes/.lock

fi

#import lock counter

lock=`cat ${DIR}-cs/${VERSION}/lib/python/cellranger/barcodes/.lock`

#check if jobs running

if [[ $lock -ge 1 ]]

if [[ ! $lock == "0" ]]

    then

    echo "$lock number of cellranger ${VERSION} jobs running in ${DIR}"

    #check technology current running

           then

           echo "no conflict detected"

           #add disable increment for setup calls (which aren't counted or removed)

           if [[ $setup == "false" ]]

           if [[ $setup == false ]]

               then

               #add current job to lock

               echo "increment lock"

               lock=$(($lock+1))

               echo $lock >  ${DIR}-cs/${VERSION}/lib/python/cellranger/barcodes/.lock

           fi

           exit 1

        fi

    fi

else

    ## initialise lock file if first call (no other jobs running)

    #add disable increment for setup calls (which aren't counted or removed)

    if [[ $setup == false ]]

        then

        #add current job to lock

        echo "increment lock"

        lock=$(($lock+1))

        echo "no other jobs running: $lock initiated for $technology"

        echo $lock >  ${DIR}-cs/${VERSION}/lib/python/cellranger/barcodes/.lock

    fi

fi