how to tar a run directory

gistfile1.txt

function tar_sequence() {
    RUN="$1"
    SUBJECT="archive creation for $RUN finished"
    (
        cd /export/data1/gencore;
        [ -d "$RUN" ] && tar --use-compress-prog=pbzip2 --exclude="Data/Intensities/L00*/C*.1"  -cf /export/data1/flowcell/$RUN.tar.bz2 $RUN;
        RESULT="result: $?"
        echo $RESULT
        echo $RESULT | mail -s "$SUBJECT" lg1883@nyu.edu
    )
}