ForEach 循环没有产生预期的结果

Question

我写了一个脚本来识别日志文件中的时间戳：

    $start = Get-Content "C:\Webserverlogfiles\ise*.log" | select -first 1 -skip 6 


$end -match  '(([0-9][0-9]:){2}([0-9][0-9]))'
$end = $Matches[1]
$start -match  '(([0-9][0-9]:){2}([0-9][0-9]))' 
$start = $Matches[1]

$TimeDiff = New-TimeSpan $end $start


if ($TimeDiff.Seconds -lt 0) {
    $Hrs = ($TimeDiff.Hours) + 23
    $Mins = ($TimeDiff.Minutes) + 59
    $Secs = ($TimeDiff.Seconds) + 59 }
else {
    $Hrs = $TimeDiff.Hours
    $Mins = $TimeDiff.Minutes
    $Secs = $TimeDiff.Seconds }
$refreshrate = '{0:00}:{1:00}:{2:00}' -f $Hrs,$Mins,$Secs


echo $refreshrate

这returns我得到的结果是每次刷新之间的时间跨度。

现在我试图对此进行扩展，以便它循环遍历整个文件。到目前为止，我的脚本只是挂起。

    $Workfrom = Get-Content "C:\Webserverlogfiles\ise*.log"

    Foreach ($Line in (Get-Content $Workfrom)) {

        $end = $line | Select-String 'ShowStatus = Reset Status' -SimpleMatch
        $end -match '(([0-9][0-9]:){2}([0-9][0-9]))'
        $end = $Matches[1]

        $start = $line | Select-String 'ShowStatus = Waiting for server ()' -SimpleMatch
        $start -match '(([0-9][0-9]:){2}([0-9][0-9]))'
        $start = $matches[1]

        $TimeDiff = New-TimeSpan $end $start       

        if ($TimeDiff.Seconds -lt 0) {
            $Hrs = ($TimeDiff.Hours) + 23
            $Mins = ($TimeDiff.Minutes) + 59
            $Secs = ($TimeDiff.Seconds) + 59 }
        else {
            $Hrs = $TimeDiff.Hours
            $Mins = $TimeDiff.Minutes
            $Secs = $TimeDiff.Seconds }

    $refreshrate = '{0:00}:{1:00}:{2:00}' -f $Hrs,$Mins,$Secs


    echo $refreshrate

    }

据我所知，这是正确的，除非我在 ForEach 循环中分组太多。我可以问我缺少什么吗？

Answer 1

改变

$Workfrom = Get-Content "C:\Webserverlogfiles\ise*.log"

Foreach ($Line in (Get-Content $Workfrom)

到

$Workfrom = Get-Content "C:\Webserverlogfiles\ise*.log"

Foreach ($Line in $Workfrom) {

$workfrom 已经是文本行。否则，也许你的意思是第一行的 Get-ChildItem？

ForEach 循环没有产生预期的结果

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