$array = 1..5 | ForEach-Object { "ATX-SQL-$PSItem" } 通常,当我们考虑使用管道时,我们会想到典型的 PowerShell 单行命令。 可以通过 foreach() 语句和其他循环来利用管道。 因此,我们可以将项放到管道中,而不是在循环中向数组添加项。PowerShell 复制 ...
括号内的 语句部分foreach表示要循环访问的变量和集合。 PowerShell 在循环运行时自动foreach创建变量$<item>。 每次迭代开始时,foreach将项变量设置为集合中的下一个值。 块{<statement list>}包含要针对每个迭代执行的命令。 示例 例如,foreach以下示例中的 循环显示 数组中的$letterArray值。
Example 1: Divide integers in an array This example takes an array of three integers and divides each one of them by 1024. PowerShell 30000,56798,12432|ForEach-Object-Process{$_/1024}29.29687555.46679687512.140625 Example 2: Get the length of all the files in a directory ...
Specifies, as a string array, the event log providers from which this cmdlet gets events. Enter the provider names in a comma-separated list, or use wildcard characters to create provider name patterns. An event log provider is a program or service that writes events...
param([switch]$AsByteArray) 开关参数易于使用,并且优于布尔参数,后者对于 PowerShell 来说语法不太自然。例如,若要使用开关参数,用户需在命令中键入该参数。-IncludeAll若要使用布尔参数,用户需键入参数和布尔值。-IncludeAll $true创建开关参数时,请仔细选择参数名称。 确保参数名称向用户传达了参数...
As an example, this can be useful when we have very large input data of comma-separated input with 15 columns and we are only interested in the third column from the end. If we were to use the-split','operator, we would create 15 new strings and an array for each line. On the ot...
在同一文件夹中,创建包含以下内容的名为SinkDataset.json的 JSON 文件。 tableName 元素由管道在运行时动态设置。 管道中的 ForEach 活动循环访问一个包含表名的列表,每一次迭代都将表名传递到此数据集。 JSON {"name":"SinkDataset","properties":{"linkedServiceName":{"referenceName":"AzureSQLDatabaseLin...
Get-Content c:\computers.txt | ForEach-Object { Get-WmiObject Win32_Service –comp $_ } While this technique works, you don't really need it because Get-WmiObject can accept an array of computer names for the –computerName parameter. To achieve the same effect, you can just use this:...
Get-Content c:\computers.txt | ForEach-Object { Get-WmiObject Win32_Service –comp $_ } While this technique works, you don't really need it because Get-WmiObject can accept an array of computer names for the –computerName parameter. To achieve the same effect, you can just use this:...
Applying Multiple conditions for each row in CSV file Approve Updates By Computer Groupt Are there commands to use instead of using certtmpl.msc? Argument was specified as a script block, and no input exists array and array list with custom object Array Contains String not comparing. Array...