$array = 1..5 | ForEach-Object { "ATX-SQL-$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 ...
[Diagnostics.Process[]]$zz = Get-Process The array sub-expression operatorThe array sub-expression operator creates an array from the statements inside it. Whatever the statement inside the operator produces, the operator places it in an array. Even if there is zero or one object.The...
if($null-eq$array) {'Array actually is $null'} 但是$null数组和空数组不同,如果你确定变量是一个数组,可以用count属性判断 有一个陷阱就是对象也可以有count属性 if($array.count-gt0) {'Array isn't empty'} 下面是绝对安全的数组非空判断方法 if($null-ne$array-and @($array).count-gt0) {'...
Specifies an array of arguments to a method call. For more information about the behavior ofArgumentList, seeabout_Splatting. This parameter was introduced in Windows PowerShell 3.0. Type:Object[] Aliases:Args Position:Named Default value:None ...
'Array actually is $null' } 但是$null数组和空数组不同,如果你确定变量是一个数组,可以用count属性判断 有一个陷阱就是对象也可以有count属性 if ( $array.count -gt 0 ) { "Array isn't empty" } 下面是绝对安全的数组非空判断方法 if ( $null -ne $array -and @($array).count -gt 0 ) ...
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...
I start with an array of string variables, going through each of them one at a time and sending them to the function. And the function's output is written to the pipeline.You should note that there are shorter ways to write this code, but I chose this technique because it clearly ...
' # This example tests the two defined passwords against the Administrator user account Test-BruteLocalUserCredential -Username Administrator -Passwd (Get-Content -Path C:\Temp\passlist.txt) # This example tests the passwords inside the C:\Temp\passlist.txt file against the Administrator user ...
The config file needs to be a valid json that consists of a single array with one or more objects, where every object is interpreted as a single script source. Every object has the following attributes Name (Mandatory) A name of your choice to identify the script included in this object....
Splatting is a whole new way of passing parameters to a command. You start by creating a hashtable, which is also called a dictionary or associative array. A hashtable is a collection of key=value pairs. A basic hashtable contains two keys, each with a single value. It looks like this...