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...
If it evaluates to $true, then it executes the scriptblock in the braces. If the value was $false, then it would skip over that scriptblock. In the previous example, the if statement was just evaluating the $condition variable. It was $true and would have executed the Write-Output ...
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 $false){ write-output "Invalid" } PS> Yet just running the ...
<statement> {-and | -or | -xor} <statement> {! | -not} <statement> 使用逻辑运算符的语句返回布尔值(TRUE 或 FALSE)。 PowerShell 逻辑运算符只计算确定语句的事实值所需的语句。 如果包含 and 运算符的语句中的左操作数为 FALSE,则不会计算右操作数。 如果包含 or 语句的语句中的左操作数为 TRUE...
运行if 语句时,PowerShell 会将 <test1> 条件表达式计算为 true 或 false。 如果 <test1> 为true,则 <statement list 1> 运行,并且 PowerShell 将退出 if 语句。 如果 <test1> 为false,PowerShell 将评估由 <test2> 条件语句指定的条件。 有关布尔评估的详细信息,请参阅 about_Booleans。 如果<test2> 为...
If-Else/Do-While/Switch/For/While都和普通编程语言无异 ForEach Foreach($<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...
To create this script, open a text editor or a script editor, type these commands, and then save them in a file namedServiceLog.ps1. Parameters in scripts To define parameters in a script, use aparamstatement. Theparamstatement must be the first statement in a script, except for comments...
Beginning in PowerShell 7.2, when the left-hand operand in a -replace operator statement isn't a string, that operand is converted to a string. PowerShell does a culture-insensitive string conversion. For example, if your culture is set to French (fr), the culture-sensitive string con...
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,...