To do this, we stored the Boolean value in the $result variable, which was returned by the $list -cContains $searchString expression. After that, we used the if statement and passed the $result variable to it. If the value of $result was True, the if block would be executed; ...
# 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。
Select-String displays the output in the PowerShell console. The file name and line number precede each line of content that contains a match for the Pattern parameter.Example 4: Use Select-String in a functionThis example creates a function to search for a pattern in the PowerShell help ...
after building the query string, creating a DataAdapter object with the query and connection objects. The Fill method of the DataAdapter object runs the query and loads the results into the DataSet. The DataSet is an in-memory database of the results of the query, and contains DataTable obj...
My custom get-listBox cmdlet returns -1 if a target string is not found, or the zero-based index of the location of the target if it is found. So, I can check the value in the $result variable like this: Copy if ($result -ge 0) { write-host "Found '222' in ListBox!" } ...
Check the spelling of the name, or if a path was included, verify that the path is correct and try again. 因為PowerShell 無法辨識 nonsenseString 為Cmdlet 或其他專案,所以會傳回 CommandNotFoundException 錯誤。 特定 trap 語句會設陷這個終止錯誤。 下列文稿範例包含具有相同錯誤的語句 trap: Power...
automatically. If this function is at the end of the pipeline, then the output stream is turned into a text representation. If there are more commands in the pipeline, then the output stream's objects—in this case, string objects containing computer names—are passed into the next pipeline ...
that you can take advantage of to speed things up. They’re in the %ProgramFiles%\GPMC\Scripts directory, where you’ll also find a file called gpmc.chm that contains the GPMC API documentation. Let’s have a look at the CreateGPO.wsf script and dissect it to see what makes it tick...
To create a variable that contains a string, assign a string value to the variable. To indicate that the value is a string, enclose it in quotation marks, as follows: PowerShell Kopija $a = "6" $a.GetType().FullName Output Kopija System.String If the first value that's assign...
this article. Apply this hotfix only to systems that are experiencing the problem described in this article. This hotfix might receive additional testing. Therefore, if you are not severely affected by this problem, we recomme...