[ash] 배열처리 / 무한루프 / 문자변환 : kickmac

= ash => sh버전은 아래를 참고하길

ash에서는 array를 사용할 수 없다, 그래서 array처럼 사용하기위해서 루프를 돌고 거기서 각각의 넘버링을 수행한다.

#!/bin/sh # snmp_get session |grep '0.0.0.0'|cut -d" " -f2,6,8|awk '{print "echo iwpriv ath"$1" kickmac "$2}' |sh # iwpriv ath0 kickmac A8:06:00:91:27:79 # iwpriv ath0 kickmac BC:72:B1:D9:D8:05 # iwpriv ath0 kickmac F0:6B:CA:43:A6:03 # iwpriv ath0 kickmac CC:FA:00:A8:5E:1A # iwpriv ath20 kickmac A8:06:00:91:27:79 MAX_TIME=1800 SLEEP_SEC=180 while [ : ]; do snmp_get session | grep "0.0.0.0" | cut -d " " -f2,6,7,8| while read  session do         idx=0         for item in $session         do                 idx=`expr $idx + 1`                 eval "item_$idx=${item}"         done         uptime=${item_4}         if [ "$uptime" != "" ]         then                 expr="${uptime} > ${MAX_TIME}"                 result=`expr ${expr}`                 if [ "$result" == "1" ]                 then                         #echo "iwpriv ath${item_1} kickmac ${item_2}"                         iwpriv ath${item_1} kickmac ${item_2}                 fi         fi done sleep $SLEEP_SEC done

= sh

문자변환등을 주의 깊게 보길

#!/bin/sh MAX_TIME=100 I_ATH=1 I_MAC=5 I_IP=6 I_UP=3 cat xx |grep "0.0.0.0" | while read  session do     echo "session=[$session]"     #items=(${session// / })     items=${session}     uptime=${items_$I_UP} echo "uptime=_$uptime]"     if [ "$uptime" != "" ]     then         expr="${uptime} > ${MAX_TIME}"         result=`expr ${expr}`         if [ "$result" == "1" ]         then     #echo "${items_$I_MAC} is End[$expr]"             echo "iwpriv ath${items_$I_ATH} kickmac ${items_$I_MAC}"         fi     fi done idx=0 for item in $session do     idx=`expr $idx + 1`     eval "item_$idx=${item}" done echo "item_2=[${item_2}]"