也值得指出,您也可以-split字串。 Join-Path(合併路徑) 通常人們會忽略這點,但這是一個用來建置檔案路徑的絕佳命令小工具。 PowerShell $folder='Temp'Join-Path-Path'C:\windows'-ChildPath$folder 這個功能的好處在於,它在將值組合時能正確處理反斜杠。 如果您從使用者或組
介绍如何使用 Split 运算符将一个或多个字符串拆分为子字符串。 长说明 Split 运算符可将一个或多个字符串拆分为子字符串。 可以更改 Split 操作的以下元素: 分隔符。 默认值为空格,但可以指定字符、字符串、模式或脚本块来指定分隔符。 PowerShell 中的 Split 运算符在分隔符中使用正则表达式,而不是简单字符...
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{ $cmd = $cmd + " -FqdnTag " + "'" + $ApplicationRule.FqdnTags + "'" } return $cmd } Function ParseRuleName { Param([Object] $RuleName) if ($RuleName -match $InvalidCharsPattern) { $newRuleName = $RuleName -split $InvalidCharsPattern -join "" Write-Host "Rule $RuleName ...
However, -Split can be faster when splitting based on complex patterns since it allows a regular expression pattern as a delimiter. Now, you know the similarities and differences between the -Split and Split(), so choose the one which best suits your project needs. Until now, we learned ...
Split Method System.String[] Split(Params Cha... StartsWith Method System.Boolean StartsWith(String... Substring Method System.String Substring(Int32 st... ToCharArray Method System.Char[] ToCharArray(), Sys... ToLower Method System.String ToLower(), System... ToLowerInvariant Method System.Str...
Select-String C:\Scripts\test.txt -pattern "failed" Ah, but what if you want all the lines in the text file thatdon’tinclude the wordFailed? In Windows PowerShell 1.0, there’s no easy way to get that information. In Windows PowerShell 2.0, however, thereisa very easy way to get ...
Useful methods on the String class Introduction to Regular Expressions The Select-String cmdlet Part 2: the -split operator the -match operator the switch statement the Regex class Part 3: a real world, complete and slightly bigger, example of a switch-based parser ...
By default, if you don’t define this, Windows Powershell will assign a position based on the order that you define the parameters. It is recommended as a best practice to always assign the position when defining the parameters. You’ll find things don’t break later on when you go to ...
| ?{ (Get-ChildItem $_.FullName -file -Recurse | ?{ $_.LastWriteTime -gt $now.Subtract($retentionPeriod) }) -eq $null } ` | Sort-Object -Property @{ Expression={ $_.FullName.Split([IO.Path]::DirectorySeparatorChar).Count }; Descending=$true } ...