Finally, the code uses the + operator to concatenate the two single-element arrays and assigns the resulting array to the $newArray variable. The resulting array will contain two elements, each of which is one of the original arrays. Using Array Constructor Use the array constructor to add ...
$array1 = 2,1,3 [System.Collections.ArrayList]$array2 = "string1",'string2','string3','string4','string5','string6' foreach($element in $array1){ $my_variable = $array2[0..($element - 1)] Write-Host my_variable contains $my_variable $array2.RemoveRange(0,$element) } 因...
If we try to update an item that is past the last element, then we get an Index was outside the bounds of the array. error.PowerShell Copy PS> $data[4] = 'four' Index was outside the bounds of the array. At line:1 char:1 + $data[4] = 'four' + ~~~ + CategoryInfo : ...
Negative numbers count from the end of the array. For example, -1 refers to the last element of the array. To display the last three elements of the array, in index ascending order, type:PowerShell Copy $a = 0 .. 9 $a[-3..-1] Output Copy ...
These operators tell whether a set includes a certain element. -contains returns True when the right-hand side (scalar-object) matches one of the elements in the set. -notcontains returns False instead. Examples: PowerShell Copy "abc", "def" -contains "def" # Output: True "abc", "def...
add columns into existing csv file from powershell script Add "Full Control" to a Folder Add a carriage return in a .csv file Add a Property to an Array that Adds a Range of IPs Add a URL rewrite condition on IIS using Powershell Add Array Items to Listbox Add blank column to csv...
相反,使用Set-Content,Add-Content和Out-File这几条命令,而不使用重定向,可以有效地规避前面的风险。这三条命令都支持-encoding参数,你可以用它来选择字符集。 创建新驱动器 你可能会惊讶,PowerShell允许你创建新的驱动器。并且不会限制你只创建基于网络的驱动器。你还可以使用驱动器作为你的文件系统中重要目录,...
# if you run out of “<”you’redone,sousethe“$found_bracket”Booleanvariabletotestforpresenceof“<” $found_bracket=$truewhile($found_bracket-eq$true) { #Specialcaseoffirst,orrootelement,oftheXMLdocument; #herethescript-levelvariable$ctrequalszero.if($Script:ctr-eq0) { #tohandlethetop-...
When an object isn't an indexed collection, using the index operator to access the first element returns the object itself. Index values beyond the first element return$null. PowerShell PS> (2)[0]2PS> (2)[-1]2PS> (2)[1]-eq$nullTrue PS> (2)[0,0]-eq$nullTrue ...
Creates or changes an alias (alternate name) for a cmdlet or command element. Get-AuthenticodeSignature Gets information about the Authenticode signature in a file. Set-AuthenticodeSignature Adds an Authenticode signature to a Windows PowerShell script or other file. Get-ChildItem Gets the items and...