about_Booleans 项目 2024/01/19 本文内容 简短说明 长说明 从标量类型转换 从集合类型转换 另请参阅 简短说明 描述如何计算布尔表达式。 长说明 PowerShell 可以将任何类型隐式视为布尔值。 请务必了解 PowerShell 用于将其他类型转换为布尔值的规则。
$function:help 有关驱动器的详细信息 Function: ,请参阅 函数 提供程序的帮助主题。 键入 Get-Help Function。 在新会话中重用函数 在PowerShell 命令提示符下键入函数时,该函数将成为当前会话的一部分。 该函数在会话结束之前可用。 若要在所有 PowerShell 会话中使用函数,请将函数添加到 PowerShell 配置文件。
functionglobal:Hello {Write-Host"Hello, World"} 您也可以使用範圍修飾詞來參考不同範圍中的變數。 下列命令是指$test變數,先在本機範圍,然後在全域範圍中: PowerShell $test$global:test using:範圍修飾詞 Using 是特殊的範圍修飾詞,可識別遠端命令中的局部變數。 如果沒有修飾詞,PowerShell 預期遠端命令中的...
这里获取的是这个函数是个System.Management.Automation.FunctionInfo对象,其中包含的有用属性如下;展开表 PS C:\> $helloFunction | gm -type Property TypeName: System.Management.Automation.FunctionInfo Name MemberType Definition --- --- --- CmdletBinding Property System.Boolean CmdletBinding {get;} Comma...
function IsStringEmpty { param ( [string]$inputString ) Write-Host "Input String: $inputString" # 打印参数值 if ($inputString -eq $null -or $inputString -eq "") { return $true } else { return $false } } # 调用函数并打印结果 $result = IsStringEmpty -inputString "" $result 通过...
{get;} Exists Property System.Boolean Exists {get;} Extension Property System.String Extension {get;} FullName Property System.String FullName {get;} IsReadOnly Property System.Boolean IsReadOnly {get;set;} LastAccessTime Property System.DateTime LastAccessTime {get;set;} LastAccessTimeUtc Property ...
PS> &"1+1"&: The term'1+1'is not recognized as a name of a cmdlet,function, script file, or executable program. Check the spelling of the name, orifa path was included, verify that the path is correct andtryagain. PS>Invoke-Expression"1+1"2 ...
PS C:\> Test-FunctionName Test-Widget Test-Widget If the name passes validation it will be written to the pipeline. Or you can use the -Quiet parameter to return a traditional boolean result. PS C:\> Test-FunctionName kill-system -Quiet False Get-FunctionProfile Get-FunctionProfile is...
Process: Delete the Team, go to Azure and delete the group permanently, go to sharepoint and delete the site permanently. No big deal. To make it easier I wanted to have a PowerShell script doing this job for me. I thought it is the easiest way to do it with the pnp modu...
A filtering function—that is, a function designed to work within the pipeline to filter objects—can have any combination of these three script blocks, depending on what you want to do. They work as follows:The BEGIN block executes once when your function is first called. You can use this...