items = reader.Read(1); }// While loop for reading one line at a time. }// Foreach loop for reader collection. }// Foreach loop for processing referenced paths. }// Foreach loop for walking of path list. // Stor
ComputerName Verbose Debug ErrorAction WarningAction InformationAction ErrorVariable WarningVariable InformationVariable OutVariable OutBuffer PipelineVariable WhatIf Confirm 参数验证 尽早验证输入。 如果没有有效输入则无法完成,不允许代码继续执行。 参数变量必须始终指定数据类型。 在下面的示例中,String 被指定为 ...
INSERT INTO data_source_table (PersonID, Name, Age) VALUES (6, 'new','50'); UPDATE data_source_table SET [Age] = '10', [name]='update' where [PersonID] = 1 创建用于增量复制的管道 在此步骤中,请创建一个包含以下活动的管道并定期运行。 查找活动从Azure SQL 数据库获取旧的和...
The Alias parameter never generates or updates the primary email address of a mail contact or a mail user. Type:String Position:Named Default value:None Required:False Accept pipeline input:False Accept wildcard characters:False Applies to:Exchange Server 2010, Exchange Server 2013, Exchange Server...
When you use a function in a pipeline, the objects piped to the function are assigned to the$inputautomatic variable. The function runs statements with thebeginscript block before any objects come from the pipeline. The function runs statements with theendscript block when there are no more obje...
A PowerShell array is a component that enables the storage of more than one item in a variable or a field. For instance, to assign multiple values to a variable, use the script$a=1,2,3. PowerShell treats each item in an array as a separate element. To address each item in an arra...
PowerShell has a variable $host which contains information about the program where it is running (the console host or the ISE environment). $host.ui contains a “User Interface” object which has some interesting methods Prompt / PromptForChoice / PromptForCredential ...
When you use the ErrorVariable parameter on a command, PowerShell also stores the error records emitted by the command in the variable specified by the parameter. YAML Copy Type: String Aliases: ev Required: False Position: Named Default value: None Accept pipeline input: False Accept wildcard...
The Alias parameter never generates or updates the primary email address of a mail contact or a mail user. Type:String Position:Named Default value:None Required:False Accept pipeline input:False Accept wildcard characters:False Applies to:Exchange Server 2010, Exchange Server 2013, Exchange Server...
The Read-Host cmdlet reads a line of input from the console. You can use it to prompt a user for input. Because you can save the input as a secure string, you can use this cmdlet to prompt users for secure data, such as passwords, ...