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。
Check if a text file is blank in powershell check if computer exist in ou Check if drive exists, If not map Check if Email address exists in Office 365 and if exists, Create a Unique Email address Check if event log source exists for non admins Check if file created today and not...
The if statement Here is a basic example of the if statement: PowerShell Copy $condition = $true if ( $condition ) { Write-Output "The condition was true" } The first thing the if statement does is evaluate the expression in parentheses. If it evaluates to $true, then it executes ...
Missing closing ')' after expression in 'if' statement. At line:154 char:1 } ~ Unexpected token '}' in expression or statement. CategoryInfo : ParserError: (:) [], ParentContainsErrorRecordException FullyQualifiedErrorId : MissingEndParenthesisAfterStatement $SystemList = Get-content ".\...
In the world of scripting and automation, PowerShell stands out as a powerful tool for system administrators and developers. One of the most essential operators in PowerShell is the “or” statement, which allows for more flexible and dynamic scripting. ADVERTISEMENT This tutorial will teach you ...
I can then use a if statement/block to test: $value = 4 if(isInt($value) -eq $true){ write-output "Valid" }else{ write-output "Invalid" } This correctly outputs “Valid”. If I change $value to a non-integer, it correctly outputs “Invalid” when I run the above code. ...
When thebeginstatement runs, the function doesn't have the input from the pipeline. Theendstatement runs after the function has the values. If the function has aprocesskeyword, each object in$inputis removed from$inputand assigned to$_. The following example has aprocessstatement list: ...
If the statement is used to evaluate the condition. If the condition succeeds then block statement runs. You can specify more than one or more conditions in If statement, depending upon the operators used (comparison, Boolean, bitwise) statement evaluates condition. ...
The statement has been terminated. Msg 515, Level 16, State 2, Procedure TestProcedure3, Line 5. At line:1 char:1 ... This command users the -OutputSqlErrors parameter to report the errors to the user. Note that the error message in this case provides extra information like the SP ...
Ah, but what if you enter avalidoption? In that case the option is accepted, we use the switch statement to analyze the value of $result, and then we run the appropriate block of code. Onscreen, that’s going to look something like this: ...