PowerShell和-contains运算符 我正在编写一个PowerShell脚本,用于创建包含Active Directory组织单元、其组及其成员的CSV文件。这就是我能走的路,但我完全是PowerShell的新手。Member';Expression={$_.Name}}--- // now I need some IF statement I guess \\ ---
The -contains operator checks the collection for your value. As soon as it finds a match, it returns $true. PowerShell Copy $array = 1..6 if ( $array -contains 3 ) { # do something } This is the preferred way to see if a collection contains your value. Using Where-Object (or...
If else checking existence of homeDirectory in AD If File exists then copy it script powershell If is not recognized as the name of a cmdlet? if not contains If statement based on day of the week evaluating despite being false If Test-Connection do these action else exit. If variable is...
statement pipeline statement-terminator statement-terminator: ; new-line-character statement-terminators: statement-terminator statement-terminators statement-terminator if-statement: if new-lines~opt~ ( new-lines~opt~ pipeline new-lines~opt~ ) statement-block elseif-clauses~opt~ else-clause~opt~ else...
Missing closing ')' after expression in 'if' statement. At line:154 char:1 } ~ Unexpected token '}' in expression or statement. CategoryInfo : ParserError: (:) [], ParentContainsErrorRecordException FullyQualifiedErrorId : MissingEndParenthesisAfterStatement ...
If the function has aprocesskeyword, each object in$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...
#Requires- You can use a#Requiresstatement to prevent a script from running without specified modules or snap-ins and a specified version of PowerShell. For more information, seeabout_Requires. $PSCommandPath- Contains the full path and name of the script that is being run. This parameter is...
In that case, just use the –notcontains operator, an operator that returns True if the target value can’t be found in the array. In other words: Copy $arrColors -notcontains "violet" Here’s what we get back: Copy True Why? Because it’s true that the word violet is not ...
null coalescing operator removes the need forifandelsestatements if you want to get the value of a statement if it’s not $null or return something else if it is $null. Note that this doesn’t replace the check for a boolean value of true or false, it’s only checking if the ...