To return Boolean from function in PowerShell: Use the function to create a function with two integer parameters. Use the -eq operator to compare the two provided numbers and return the Boolean output value. Use
about_Booleans 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。 从标量类型转换 ...
PS> $c = "Get-Service -Name Spooler" PS> $c Get-Service -Name Spooler PS> & $c & : The term 'Get-Service -Name Spooler' is not recognized as the name of a cmdlet, function, script file, or operable program. Check the spelling of the name, or if a path was included, verify...
实际文本可以具有类型后缀和乘数后缀。 Suffix含义 ddecimal 数据类型 kb千字节乘数 mb兆字节乘数 gb千兆字节乘数 tbTB 乘数 pbPB 乘数 有两种类型的实数文本:double 和 decimal。 这些由小数类型后缀的缺失或存在分别指示。 PowerShell 不支持值的文本表示形式[float]。 双实文本的类型[double]为。 十进制实文本的...
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:\> $helloFunction | gm -type Property TypeName: System.Management.Automation.FunctionInfo Name MemberType Definition --- --- --- CmdletBinding Property System.Boolean CmdletBinding {get;} Comma...
functionglobal:Hello {Write-Host"Hello, World"} 您也可以使用範圍修飾詞來參考不同範圍中的變數。 下列命令是指$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...
代码: //判断是否是正整数 function IsNum(s) { if(s!...=null){ var r,re; re = /\d*/i; //\d表示数字,*表示匹配多个数字 r = s.match(re); return...true:false; } return false; } //判断是否为数字 function IsNum(s) { if (s!=null && s!
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 ...
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...
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...