powershell提取日志内容
写了一个powershell提取日志内容的脚本，搜索oracle关于ORA的报错信息#查找结果赋值
$d=Get-ChildItemc:\test-Recurse | where{"script.txt"}
#判断文件是否存在，若不存在返回3
if ($d -eq $null)
{
write-host " ALERT FILE NO FOUND"
write-host " check your directory wether file exsits"
$ERROR= {return 3;}
}
else
{
#过滤oracle警告日志文件ORA-错误
$c=Get-Content c:\test\script.txt | select-string -pattern "ora-" | Select-Object -last 3
#判断ORA-错误存在条件
#若$c返回值为null，则输出1返回值结束循环
if ( $c -eq$null )
{
write-host "STATE:OK"
$OK= {return 1;}
}
#若$c返回值不为空，则复制oracle警告日志，清空原警告日志，返回0结束循环
else
{
copy c:\test\script.txtc:\test\scriptbak.txt
write-host "STATE:ERROR"
write-host "$c"
" " > c:\test\script.txt
$CRITICAL= {return 0;}
}
}
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