6 SIXM=`date -j -v"-6m" +"%F %T"`
9 SIXM_EPOC=`date -j -f "%F %T" "$SIXM" "+%s"`
11 ## express SQL date into epoc time
14 SQL_DATE_EPOC=`date -j -f "%F %T" "${1}" "+%s"`
16 ## test sql_date < sixm
18 [ "${SQL_DATE_EPOC}" -gt "$SIXM_EPOC" ] && echo "match"