string[] Split(char[] separator, System.StringSplitOptions options) string[] Split(char[] separator, int count, System.StringSplitOptions options) string[] Split(string[] separator, System.StringSplitOptions op
if($textFiles=Get-ChildItem*.txt) {$textFiles.Count } 在此示例中,如果没有文件匹配,Get-ChildItem命令不会返回任何内容,并且不会向$textFiles进行任何赋值,这在布尔上下文中被视为$false。 如果将一个或多个FileInfo对象赋值给$textFiles,则条件计算结果为$true。 可以使用$textFiles语句正文中的if值。
此变量的类类型为 System.Text.RegularExpressions.Match。 以下示例将每个三位数字的序列替换为字符等效项。 脚本块针对需要替换的每个三位数字集运行。 PowerShell 复制 "072101108108111" -replace "\d{3}", {return [char][int]$_.Value} 输出 复制 Hello 包含运算符 包含运算符(-contains、-not...
You can also specify thatSelect-Stringshould expect a particular character encoding, such as when you're searching files of Unicode text.Select-Stringuses the byte-order-mark (BOM) to detect the encoding format of the file. If the file has no BOM, it assumes the encoding is UTF8. ...
If you typeGet-SmallFileswithout a value, the function assigns 100 to$size. If you provide a value, the function uses that value. Optionally, you can provide a brief help string that describes the default value of your parameter, by adding thePSDefaultValueattribute to the description of your...
If the value contains spaces, enclose the value in quotation marks. Expand table Type: String Position: Named Default value: None Required: False Accept pipeline input: False Accept wildcard characters: False Applies to: Exchange Server 2016, Exchange Server 2019, Security & Compliance...
There are alsoFromRgb()methods available to make use of full 24-bit color if your terminal supports it: C# module authors can also leverage$PSStyleby using thePSStylesingleton class in theSystem.Management.Automationnamespace: Copy stringtext =$"{PSStyle.Instance.Reverse}{PSStyle.Instance.Foregr...
If the value contains spaces, enclose the value in quotation marks ("). Expand table Type: String Position: Named Default value: None Required: False Accept pipeline input: False Accept wildcard characters: False Applies to: Exchange Online, Exchange Online Protection...
Select-XMLFinds text in an XML string or document. Send-MailMessageSends an e-mail message. Set-AclChanges the security descriptor of a specified resource, such as a file or registry key. Set-AliasCreates or changes an alias (alternate name) for a cmdlet or other command element in the ...
使用Select-String可以过滤出文本文件中的信息。下面的命令行会从文件中过滤出包含 third短语的行。 PS C:\PowerShell> Get-Content .\info.txt | Select-String "third" Third Line 1. 2. 处理逗号分隔的列表 在PowerShell中处理逗号分隔的列表文件中的信息时你须要使用Import-Csv文件。为了测试,先创建一个逗...