1. ´Óa.logÎļþÖÐÌáÈ¡°üº¬"WARNING"»ò"FATAL"£¬Í¬Ê±²»°üº¬"IGNOR"µÄÐУ¬È»ºóÌáÈ¡ÒÔ":"·Ö¸îµÄµÚ5¸ö×Ö¶Î
2. ±àдһ¸ö½Å±¾£¬Ö»Ïë¼òµ¥µÄ¼õ·¨ÔËË㣬ҪÇóÌáʾÊäÈë±äÁ¿
3. Shell½Å±¾ÔĶÁ£¨½âÊÍÏÂÃæÖ´ÐеŦÄÜ£©£¬ÇëÌô³öÏÂÃæ³ÌÐò»ò½Å±¾ÖеĴíÎ󣬲¢ËµÃ÷´íÔÚÄÄÀï¡£
#!/bin/bash
#¼à¿ØcpuserµÄpoint¶Ë¿ÚÊÇ·ñÕý³£
logname="/home/forum/log/lpointlog.wf"
flagfile="/home/forum/log/lognum.txt"
lodnum=sed -n "1,1 p"$flagfile
newnum=wc -l ${logname}
echo $newnum >$flagfile
totalnum=expr $newnum -$oldnum
tail -n $totalnum $logname |grep "POINT_THREAD WARNING"
if [$?==0]
then
mail -s "cpuser point "¶Ë¿ÚÒì³£,Çë´¦Àí!" test@aa.com
fi>
A:
1. grep -invert-match "IGNOR" a.log | grep -line-number "WARNING\|FATAL" | cut ':' -f 5 »ò
grep -E 'warning|fatal' file | grep -v ignor | awk -F ":" '{print $5}'
2. #!/bin/bash
read Arg1
read Arg2
Result=`expr $Arg1 - $Arg2`
echo $Result »ò
#!/bin/bash
declare -rx SCRIPT=${0##*/}
declare -ix NUM1
declare -ix NUM2
declare -ix NUM3
read -p "input a number" NUM1
read -p "input another number" NUM2
let "NUM3=NUM1-NUM2"
printf "the result of $NUM1 minus $NUM2 is %d\n" "$NUM3"
3. ÃüÁîÐÐÌæ»»Ó÷´ÒýºÅ£¬if [$?==0] Ó¦¸Ãд×öif [ $?=0 ]£¬ÓÃÀ´ÅжÏÉÏ´ÎÃüÁîÊÇ·ñÖ´Ðгɹ¦£»
µ¹ÊýµÚ¶þÐÐÓ¦¸ÃÊÇ>/dev/null£¬×îºófiºóÃæµÄ>È¥µô¡£
haolifengwang ÓÚ 2012-02-02 16:30:59·¢±í:
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wwwangwei159 ÓÚ 2010-11-20 09:15:12·¢±í:
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