所以Powershell将打印它，有点像Python对象__str()__。现在，在Powershell中，这些默认的输出形式通常是...
' operator. ParserError: Line | 1 | (Test-Path .vscode) ? (Write-Host 'exists') : Write-Host 'not found' | ~ | You must provide a value expression following the ':' operator. 此示例分析: PowerShell (Test-Path.vscode) ? (Write-Host'exists') : (Write-Host'not found')...
# This statement returns true because book contains the string "oo" 'book' -match 'oo' 字元類別雖然字元常值可運作,但如果您知道確切的模式,字元類別可讓您較不明確。字元群組[character group] 可讓您一次比對任意數目的字元,而 [^character group] 只比對群組中的字元 NOT。PowerShell...
<statement> {-AND | -OR | -XOR} <statement> {! | -NOT} <statement> 使用逻辑运算符的语句返回布尔值 (TRUE 或 FALSE) 值。 PowerShell 逻辑运算符仅计算确定语句真实值所需的语句。 如果包含 和 运算符的语句中的左操作数为 FALSE,则不计算右操作数。 如果包含 或 语句的语句中的左操作数为 TR...
This still works correctly in an if statement. So a value is returned by your operator, then the whole statement is $true. PowerShell Copy $array = 1..6 if ( $array -gt 3 ) { # do something } There's one small trap hiding in the details here that I need to point out. Whe...
The call operator doesn't parse strings. This means that you can't use command parameters within a string when you use the call operator. PowerShell PS>$c="Get-Service -Name Spooler"PS>$cGet-Service-NameSpooler PS> &$c& : The term'Get-Service -Name Spooler'is not recognized as the...
The param statement is supported in functions as well so if you do not wish to specify it in the function declaration, you can do so in the first line of the function as follows: function foo() { param([string]$foo = "foo", [string]$bar = "bar"); ...
Now, what if you’d like to know if the array $arrColorsdoesn’tcontain the colorpurple. In that case, just use the–notcontainsoperator, an operator that returns True if the target valuecan’tbe found in the array. In other words: ...
In and of itself, that’s pretty cool. But in PowerShell 2.0 several new parameters have been added to Select-String, including two that we’ll talk about in this article:-notMatchand–context. Let’s see if we can figure out what these two parameters do. ...
PS C:> [string]$statement = ‘PowerShell rocks’ PS C:> [string]::Format(“The {0} thinks that {1}!”,$name,$statement) The Scripting Guy thinks that PowerShell rocks! Example 5: Use theFormatoperator and two format items After you figure out how to read the Windows PowerShellForma...