PS> $empty = $null PS> $empty[0] Error: Cannot index into a null array. 因此,在尝试访问数组中的元素之前,请确保数组不是 $null。Count数组和其他集合具有计数属性,可告知数组中有多少项。PowerShell 复制 PS> $data.count 4 PowerShell 3.0 向大多数对象添加了计数属性。 你可以使用单个对象,它应该...
The comma can also be used to initialize a single item array by placing the comma before the single item.For example, to create a single item array named $B containing the single value of 7, type:PowerShell Copy $B = ,7 You can also create and initialize an array using the range ...
Specifies an array of one or more string patterns to be matched as the cmdlet gets child items. Any matching item is included in the output. Enter a path element or pattern, such as "*.txt". Wildcard characters are permitted. The Include parameter is effective only when the command ...
to say the least: you either have to declare the array size in advance (leaving you with an array that can’t be resized), or you have to declare a dynamic array, then resize that array each time you add a new item. (Taking care, of course, to preserve all the existing items in...
To define a default value for a parameter, type an equal sign and the value after the parameter name, as shown in the following variation of theGet-SmallFilesexample: PowerShell functionGet-SmallFiles($Size=100) {Get-ChildItem$HOME|Where-Object{$_.Length-lt$Size-and!$_.PSIsContainer } } ...
Change the location of an image manually in Powershell Change the value of an array element in ForEach loop? Changing contents of a text box multiple times in a powershell form Changing email Categories with PowerShell Changing file time Changing Local Group Policy and Local Security Policy via...
($objFSO.GetFolder("C:\Scripts").Size) And then we fancy things up a bit, converting the size to megabytes, formatting the output so it displays just two decimal places, and tacking anMBonto the end of that output. The net result should look a little something like this: ...
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 ...
TheSet-SqlColumnEncryptioncmdlet in the SqlServer PowerShell module encrypts, decrypts, or re-encrypts specified database columns. The cmdlet accepts an array ofNew-SqlColumnEncryptionSettingsobjects, each of which specifies the target encryption configuration for one column in the dat...
PowerShell module for managing EMC Unity arrays. Contribute to equelin/Unity-Powershell development by creating an account on GitHub.