-contains運算子會檢查集合中是否包含您的值。 一旦找到匹配項目,就會傳回$true。 PowerShell $array=1..6if($array-contains3) {# do something} 這是查看集合是否包含您值的慣用方式。 每次使用Where-Object(或-eq)遍歷整個清單,速度會明顯變慢。 變化: -contains不區分大小
System.String類別會實作IEnumerable,不過 PowerShell 不會列舉字串物件。 在下列範例中,陣列和哈希表會透過管線傳送至Measure-ObjectCmdlet,以計算從管線接收的物件數目。 數位具有多個成員,而哈希錶具有多個索引鍵/值組。 一次只會列舉一個陣列。 PowerShell ...
PowerShell 复制 # This statement returns true because book contains the string "oo" 'book' -match 'oo' 字符类虽然字符文本在知道确切的模式时工作,但字符类允许你不太具体。字符组[character group] 允许一次匹配任意数量的字符,而 [^character group] 仅匹配组中的字符 NOT。Powe...
or operable program. Check the spelling of the name, or if a path was included, verify that the path is correct and try again. At line:1 char:2 + & $c + ~~ + CategoryInfo : ObjectNotFound: (Get-Service -Name Spooler:String) [], CommandNotFoundException + FullyQualifiedErrorId : ...
It’s important to note that the Contains method always does a case-sensitive search; if we looked for the stringRIPT, Contains would tell us that this text couldnotbe found. What if we don’t care about letter case, and only care about the actual characters themselves? Well, one way ...
The Select-String cmdlet is used to find target text within a file or a variable value. For example, suppose we saved the first paragraph of this article to a text file named C:\Scripts\Test.txt. Now, suppose we need to know whether this file contains the target stringCTP. How could ...
To view command line help for a cmdlet, use the PowerShell 'Get-Help' command at the PowerShell command prompt. For example: Get-Help Get-SPRSServiceApplicationServers Shared service and proxy cmdlets The following table contains the PowerShell cmdlets for the Reporting Services SharePoint shared...
There might be a delay the first time you execute this because the rules have to load the catalogs into a cache. Each catalog of a PowerShell platform contains details of all the modules and .NET assemblies available to PowerShell on that platform, which can be as many as 1700 commands ...
Connect commands will likely fail if the profile path of the account that you used to connect contains special PowerShell characters (for example,$). The workaround is to connect using a different account that doesn't have special characters in the profile path. ...
Although this blog post focuses on new features, this release also contains many bug fixes as well as targeted performance improvements. You can always get the latest version of PowerShell fromhttps://aka.ms/get-powershell. Expect more new features from the community and the PowerShell team in...