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,<statement list 1>则运行,PowerShell 退出 语句if。 如果<test1>为 false,则 PowerShell 将计算条件语句指定的<test2>条件。 有关布尔计算的详细信息,请参阅about_Booleans。
find word in a text file and return boolean Find, Backup and Delete Registry Key on Remote Machine Find/Replace text in multiple files finding certificate template name thru powershell Finding HTML elements using XPath Finding The Calling Path/Script Name From Within A Powershell Module Function F...
语句 switch 等效于一系列 if 语句,但更简单。 语句switch 列出了每个条件和一个可选操作。 如果条件获得,则执行操作。 语法1: Syntax 复制 switch [-regex|-wildcard|-exact][-casesensitive] ( <value> ) { <string>|<number>|<variable>|{ <expression> } {<statement list>} <string>|<number>|...
You can also assign aBooleanvalue to a switch when you run the function, as shown in the following example: PowerShell Switch-Item-On:$true Output Switch on PowerShell Switch-Item-On:$false Output Switch off Use splatting to pass parameter values ...
match, theGet-ChildItemcommand returns nothing and assigns nothing to$textFiles, which is considered$falsein a boolean context. If one or moreFileInfoobjects are assigned to$textFiles, the conditional evaluates to$true. You can work with the value of$textFilesin the body of theifstatement. ...
For example, you can use thethrowkeyword in the script block of anifstatement to respond to a condition or in thecatchblock of atry-catch-finallystatement. Thethrowkeyword can throw any object, such as a user message string or the object that caused the error. ...
Type: Boolean Position: Named Default value: None Required: False Accept pipeline input: False Accept wildcard characters: False -Password Specifies the password for the SQL Server Authentication login ID that was specified in the Username parameter. Passwords are case-sensitive. When possible, use ...
the parts of the debugger output that we don’t care about, we have a boolean flag initially set to true. If thatflag is set, we check if the current line, $_, is the module header in which case we flip the flag. CopyinPreamble...
The search criteria for the Get-MailboxExportRequest cmdlet is a Boolean And statement. If you use multiple parameters, you narrow your search and reduce your search results. You need to be assigned permissions before you can run this cmdlet. Although this topic lists all parameters for the cmdle...
If else checking existence of homeDirectory in AD If File exists then copy it script powershell If is not recognized as the name of a cmdlet? if not contains If statement based on day of the week evaluating despite being false If Test-Connection do these action else...