The Select-Object cmdlet selects specified properties of an object or set of objects. It can also select unique objects, a specified number of objects, or objects in a specified position in an array. To select objects from a collection, use the First, La
$drives|Select-Object-PropertyName, @{n='TotalSpaceGB';e={($_.Used +$_.Free) /1GB}} 我個人不喜歡這樣讓命令變得冗長,它經常引發一些我不願深入討論的不良行為。 我更可能建立一個包含我想要的所有字段和屬性的新的哈希表或pscustomobject,而不是在腳本中使用此方法。 但有許多程式代碼可以這麼做,所...
() }$groupResult=$groupResult|Sort-ObjectTotalMilliseconds$groupResult|Select-Object*, @{ Name ='RelativeSpeed'Expression = {$relativeSpeed=$_.TotalMilliseconds /$groupResult[0].TotalMilliseconds$speed= [Math]::Round($relativeSpeed,2).ToString() +'x'if($speed-eq'1x') {$speed}else{$speed+...
Well, one array type that’s worth investigating is theSystem.Collections.ArrayListclass. To use this array type, all we have to do is use theNew-Objectcmdlet to create a new instance of the ArrayList class, an instance that we’ve named $a: ...
Selects objects from indexed collections, such as arrays and hash tables. Array indexes are zero-based, so the first object is indexed as[0]. You can also use negative indexes to get the last values. Hash tables are indexed by key value. ...
$SqlCmd.commandtext = 'delete top(1) from dbo.B' $SqlCmd.ExecuteScalar() #方法三,查询显示 $SqlCmd.commandtext = 'select name,recovery_model_desc,log_reuse_wait_desc from sys.databases' $SqlAdapter = New-Object System.Data.SqlClient.SqlDataAdapter ...
when the pipeline is truncated, for example:Select-Object -First when the pipeline is stopped byCtrl+CorStopProcessing() Caution Adding thecleanblock is a breaking change. Becausecleanis parsed as a keyword, it prevents users from directly calling a command namedcleanas the first statement in a...
$StringArray = "MYVAR1='String1'", "MYVAR2='String2'" Invoke-Sqlcmd -Query "SELECT `$(MYVAR1) AS Var1, `$(MYVAR2) AS Var2" -Variable $StringArray Var1 Var2 --- --- String1 String2 此命令會使用字元字串數位做為 Variable 參數的輸入。 數位會定義多個 SQLCMD 變數。 在SELECT...
Append static csv column to result set on export of data; Using Select-Object and Export-CSV append string to all strings in array Appending info to the telephone (notes) tab in AD Appending line to info attribute with Powershell Appending Parent Folder, Current Folder onto file name Appending...
Dispose(); $filedata = Get-Content -Path $filePath -Encoding $fileEncoding; $oldYamlStr = $filedata | Select-Object -First $lineNum # git log format: https://www.cnblogs.com/ckAng/p/11205055.html https://git-scm.com/docs/git-log # 此文件 最后一次 commit 的 Unix时间戳 $date...