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[文本處理] awk 引用shell變量問題 [復(fù)制鏈接]

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發(fā)表于 2013-03-07 21:31 |只看該作者 |倒序瀏覽

cat file
TotalLoad    =96325    MinuteLoad    =14       MsgDiscarded =0
  UsrMsgDiscarded=0       SessionCount =1          MaxSessionCount=1
  TimerCount    =3       MaxTimerCount  =4          SessionThreadIndex=0

0304 23:24:54.508 10305 OMAgent-8 Service statistics : ServiceName=NamingAgent
  ModuleID    =11       ThreadCount =1          ThreadIndex =3
  TotalLoad    =6       MinuteLoad    =0          MsgDiscarded =0
  UsrMsgDiscarded=0       SessionCount =0          MaxSessionCount=0
  TimerCount    =0       MaxTimerCount  =0          SessionThreadIndex=0

0305 23:24:54.508 192631 OMAgent-8 Service statistics : ServiceName=LoadBalance
  ModuleID    =12       ThreadCount =1          ThreadIndex =9
  TotalLoad    =144479    MinuteLoad    =21       MsgDiscarded =0
  UsrMsgDiscarded=0       SessionCount =0          MaxSessionCount=0
  TimerCount    =2       MaxTimerCount  =2          SessionThreadIndex=0

tdate="0305"

awk如何匹配shell變量為tdate0305開頭的行,
即只匹配0305 23:24:54.508 192631 OMAgent-8 Service statistics : ServiceName=LoadBalance
而不匹配0304 23:24:54.508 10305 OMAgent-8 Service statistics : ServiceName=NamingAgent

awk -v date=$tdate '{if( $0 ~ date) print}' file