Check Creation Date on File and Send Email if it Doesn't Match Current Date Check for empty XML element Check for file exists and not zero byte otherwise bypass step execution and log messages Check for files older than 2 minutes and sends out notification if the file still exists check for...
These expressions can be combined with each other with the-andand-oroperators, but you may have to use parenthesis to break them into subexpressions. PowerShell if( (Get-Process)-and(Get-Service) ) Checking for $null Having a no result or a$nullvalue evaluates to$falsein theifstatement. ...
However, if I only want to check and run code for invalid integers (doing nothing for valid ones), the following IF statement returns nothing regardless of the $value’s value: PS>$value = "abc" PS>if(isInt($value) -eq $false){ write-output "Invalid" } PS> Yet just running the ...
("DisplayName") # for each value which is not blank if ($null -ne $value -and $value -ne ""){ # The below if statement looks through the values discovered above in the uninstall Registry location and only for the programs defined in the variables above $DisplayVersion = $Read...
<statement> {-and | -or | -xor} <statement> {! | -not} <statement> 使用逻辑运算符的语句返回布尔值(TRUE 或 FALSE)。 PowerShell 逻辑运算符只计算确定语句的事实值所需的语句。 如果包含 and 运算符的语句中的左操作数为 FALSE,则不会计算右操作数。 如果包含 or 语句的语句中的左操作数为 TRUE...
If-Else/Do-While/Switch/For/While都和普通编程语言无异 ForEach Foreach($<item> in $<collection>) { Statement-1 Statement-2 Statement-N } 函数 常规函数 function[<scope:>]<name>[([type]$parameter1[,[type]$parameter2])]{param([type]$parameter1[,[type]$parameter2])dynamicparam{<stateme...
If / elseif /else functionality PowerShell In the above examples, we have seen that if and else conditions are not satisfied if we have multiple if conditions, so it checks every If condition and when they are not true then else statement is executed. Here, to meet execution time criteria...
If the function has aprocesskeyword, each object in$inputis removed from$inputand assigned to$_. The following example has aprocessstatement list: PowerShell functionGet-PipelineInput{process{"Processing:$_"}end{"End: The input is:$input"} } ...
You can also use this technique In the context of a conditional statement, such as theifstatement. PowerShell if($textFiles=Get-ChildItem*.txt) {$textFiles.Count } In this example, if no files match, theGet-ChildItemcommand returns nothing and assigns nothing to$textFiles, which is consider...
Applying a configuration file is a two-step process. The first step is to generate one or more MOF files based on your configuration file. If, for example, you wanted to deploy a file called \\SMB\MyFile to a folder named C:\Files on two servers named Server1 and Server2,...