If processNames Is Nothing Then Dim processes As Process() processes = Process.GetProcesses() End If '/ If process names are specified, write the processes to the '/ pipeline to display them or make them available to the next cmdlet. For Each name As String In processNames '...
在另一篇名为使用正则表达式的多种方式的文章中,我详细介绍了 Select-String、-match 和$matches 变量。$null 或空测试$null 或空数组可能比较棘手。 下面是一些常见的数组陷阱。这个语句乍一看似乎可行。PowerShell 复制 if ( $array -eq $null) { 'Array is $null' } ...
$arr = ipconfig $arr $arr -is [array] \\ 判断是否是数组 arr=ipconfig #cmd命令也可以执行 arr=@() #创建空数组 $arr=1..10,"string",(get-date)#创建混合数组 PowerShell访问数组 $arr[0..2] PowerShell自定义函数及调用 代码语言:javascript 代码运行次数:0 运行 AI代码解释 function myping(...
if($value-is[string] ) {# do something} 如果您正在使用類別或接受管線上的各種物件,您可以使用這個方法。 您可以將服務或服務名稱作為輸入。 然後檢查您是否有服務,並在只有名稱時擷取服務。 PowerShell if($Service-isnot[System.ServiceProcess.ServiceController] ) {$Service=Get-Service-Name$Service}...
OperationStopped: Line | 3 | $hash1 + $hash2 | ~~~ | Item has already been added. Key in dictionary: 'c' Key being added: 'c' 此外,还可以向数组添加哈希表;并且,整个哈希表将成为数组中的项。 PowerShell $array1= @(0,"Hello World", [datetime]::Now)$hash1= @{a=1; b=2}$ar...
$arr = ipconfig $arr $arr -is [array] \\ 判断是否是数组 You can't use 'macro parameter character #' in math mode arr=@() #创建空数组 $arr=1..10,"string",(get-date)#创建混合数组 PowerShell访问数组 $arr[0..2] PowerShell自定义函数及调用 代码语言:javascript 代码运行次数:0 运行 ...
The String’s the Thing Three Things You Might Not Know About Windows PowerShell Functions Using Windows PowerShell “Here-Strings” Using the Range Operator in Wildcard Queries What Is (and What Isn’t) in Our Array? Windows PowerShell Tip: Adding a Simple Menu to a Windows PowerShell Scr...
The value that follows the function name is assigned to the first position in the $args array, $args[0]. The following Get-Extension function adds the .txt filename extension to a filename that you supply: PowerShell Copy function Get-Extension { $name = $args[0] + ".txt" $name ...
Error when New-Item -Force is passed an invalid directory name (#24936) (Thanks @kborowinski!) Allow Start-Transcriptto use $Transcript which is a PSObject wrapped string to specify the transcript path (#24963) (Thanks @kborowinski!) Add quote handling in Verb, StrictModeVersion, Scope & ...
[string]$countryCode ) $web_client = new-object system.net.webclient; $dataString=$web_client.DownloadString($url) $build_infoJson=$web_client.DownloadString($url) | ConvertFrom-Json; # simpleforecast forecastday has 10 array object $forecastdays=$build_infoJson.forecast.simpleforecast.forecastda...