问Bash二维数组不是持久性的

EN

    303   for count in "${nodeof[@]}"; do
    304       lines=`GetNodeMemory $count`
    305       printf %s "$lines" | while IFS= read -r line; do \
    306       {
    307         key=`echo $line | awk -F':' '{print $1}' | cut -d' ' -f3`
    308         [[ -z ${key} && ${key} ]] && continue
    309         for chk in "${MemVar[@]}"; do
    310             [[ "${key}" == "${chk#*:}" ]] && break
    311         done
    312         #echo "ke:${chk#*:} - ind:${chk%%:*}"
    313         NodeMem[$count,${chk%%:*}]=`echo $line \
    314               | /bin/grep -i "${key}" | awk -F':' '{print $2}' \
    315               | cut -d' ' -f2`
    316        #echo "${chk#*:} ${NodeMem[$count,${chk%%:*}]}"
    317        chk=""
    318       } done
    319   done
    320 
    321   for count in "${nodeof[@]}"; do
    322       for chk in "${MemVar[@]}"; do
    323            echo "${NodeMem[${count},${chk%%:*}]}"
    324       done
    325   done