if语句最常见的用法是比较两个项。 PowerShell 具有特殊运算符,可用于不同的比较方案。 当使用比较运算符时,会将左右两侧的值进行比较。 -eq(等于) -eq在两个值之间执行相等检查,以确保它们彼此相等。 PowerShell $value=Get-MysteryValueif(5-eq$value) {# do something} ...
檢查值是否大於或小於另一個值時,會使用這些運算符。-gt -ge -lt -le代表 GreaterThan、GreaterThanOrEqual、LessThan 和 LessThanOrEqual。 PowerShell if($value-gt5) {# do something} 變化: -gt大於 -igt大於不區分大小寫 -cgt大於區分大小寫 ...
以下示例显示了 if 语句的最简单形式: PowerShell 复制 if ($a -gt 2) { Write-Host "The value $a is greater than 2." } 在此示例中,如果 $a 变量大于 2,则条件的计算结果为 true,并且语句列表运行。 但是,如果 $a 小于或等于 2 或者不是现有变量,则 if 语句不会显示消息。 通过添加 else...
如果不想继续使用自定义的变量,可以使用del variable:变量名的方法删除变量,注意此处无$符号 $a=0$a-eq$nullFalsedelvariable:a$a-eq$nullTrue PowerShell支持的变量类型和C#大体相同(没有了short、uint、ulong等),大多都继承自System.ValueType类( .NET类),其基本数据类型包括 整型 其实int、long、以及下面的f...
If you don't use this parameter, connections to all Mailbox servers in the local Active Directory site are tested. Expand table Type: ServerIdParameter Position: Named Default value: None Required: False Accept pipeline input: False Accept wildcard characters: False Applies to: Exchange Server...
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If the specified certificate is not found or has expired, or if the specified value is associated with more than one certificate, an error is logged and the farm is not created. This value is used on every server that joins the Office Online Server farm. Therefore, every server in the fa...
Since the running script cannot use all of the machine cores, it makes sense to set the -ThrottleLimit parameter to something greater than the number of cores. If one script execution waits many minutes to complete, you may want to allow tens or hundreds of scripts to run in parallel. ...
If you configure your ExecutionPolicy and don´t user PowerShell Version 5 or AppLocker / DeviceGuard any attacker can use the FullLanguageMode. So he can load his COM objects / libraries / classes into his PowerShell session as he likes to. In the example of mimikatz - he is able to...
if ($result -ge 0) { write-host "Found '222' in ListBox!" } else { write-host "Did NOT find '222' in ListBox" $pass = $false } A slightly unusual quirk of Windows PowerShell is its use of Boolean comparison operators, such as -ge ("greater than or equal to") and -eq (...