$array = 1..5 | ForEach-Object { "ATX-SQL-$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 ...
$h = (Get-Date).AddHours(-1) $logs = dir 'C:\' -Recurse '*.log' | Sort-Object CreationTime # Find the last 5 log files created in the past hour $logs.Where({$_.CreationTime -gt $h}, 'Last', 5) SkipUntilSkipUntil 模式会跳过集合中的所有对象,直到某个对象满足脚本块表达式筛选...
$myObject= [PSCustomObject]@{ Name ='Kevin'Language ='PowerShell'State ='Texas'} 这种方法非常适合我,因为我几乎把哈希表用到了所有事上。 但有时,我更希望 PowerShell 将哈希表视为一个对象。 当你想要使用Format-Table或Export-CSV并且意识到哈希表只是键/值对的集合时,你最先会注意到这种差异。
OperationStopped: Line | 3 | $hash1 + $hash2 | ~~~ | Item has already been added. Key in dictionary: 'c' Key being added: 'c' 此外,还可以向数组添加哈希表;并且,整个哈希表将成为数组中的项。 PowerShell $array1= @(0,"Hello World", [datetime]::Now)$hash1= @{a=1; b=2}$ar...
When you use the$array.Add()method, you're trying to add the element into the array. An array is a collection of fixed size, so you will recieve an error. So, what should I do ? Solution 1: 1 2 3 4 5 6 7 $successfulArray = New-Object System.Collections.Generic.List[System.Obj...
Here’s how you can sort an array in Windows PowerShell:Copy $arrColors = $arrColors | Sort-Object You can see what’s going on here: we’re taking our array ($arrColors) and “piping” it to the Sort-Object cmdlet. After Sort-Object sorts the items in the array, we then ...
{ $_.Direction –eq “Inbound” -and $_.Action –eq “Allow”} | Set-NetFirewallRule -RemoteAddress 192.168.0.2 You can also query for rules using the wildcard character. The following example returns an array of firewall rules associated with a particular program. The elements of the...
Accessing Values in an Array Byte Conversion Calculating Text File Statistics Creating Custom Tables Displaying Version Properties of a Group Policy Object Even More Things You Can Do With Arrays Formatting Dates and Times Formatting Numbers Fun Things You Can Do With the Get-ChildItem Cmdlet Image ...
PSTypeNames.insert(0,'System.Automation.WindowInfo')$Object}}}Get-Process|Where-Object{$_.mainWin...
Add helper in EnumSingleTypeConverter to get enum names as array (#17785) (Thanks @fflaten!) Return correct FileName property for Get-Item when listing alternate data streams (#18019) (Thanks @kilasuit!) Add -ExcludeModule parameter to Get-Command (#18955) (Thanks @MartinGC94!) Update Nam...