所以在输入的集合很大时,-contains 运算符返回结果的速度比等于运算符快。 匹配运算符 匹配运算符(-match 和 -notmatch)使用正则表达式来查找与指定模式匹配或不匹配的元素。语法如下: <string[]> -match <string[]> -notmatch 例如,以下是 -match 运算符的例子,其中servers.txt 中有两行,分别为computer1 和 ...
有关详细信息,请参阅String.Format方法和复合格式设置。 Index 运算符[ ] 从索引集合中选择对象,例如数组和哈希表。 数组索引从零开始,因此第一个对象索引为[0]。 还可以使用负索引来获取最后一个值。 哈希表按键值编制索引。 给定索引列表,索引运算符返回与这些索引对应的成员列表。
How to write into a log file that contains the variable content, a text string and a date. How to write output to specific column of CSV How to write script errors into a custom event log ... How to write to log the output or result of Add/Set-Aduser and Add/Remove-AdGroupMembe...
PowerShell 3 中引入了 -in 和-notin 运算符作为 -contains 和-notcontains 运算符的语法反转。 当左侧 -in 与集合中的一个元素匹配时, 返回<scalar-object>。而 -notin 返回False。 以下示例执行与 -contains 和-notcontains 示例相同的操作,但它们是用 -in 和-notin 编写的。 PowerShell 复制 "def"...
}functionF_Tools{<#.SYNOPSISF_Tools 检测对比函数.DESCRIPTION验证判断传入的字段是否与安全加固字段一致.EXAMPLEF_Tools -Key "ItemDemo" -Value "2" -Operator "eq" -DefaultValue "1" -Msg "对比ItemDemo字段值与预设值" #>param( [Parameter(Mandatory=$true)][String]$Key, ...
연산자는 -contains 값에 대한 컬렉션을 검사. 일치 항목을 찾자마자 반환됩니다 $true. PowerShell 복사 $array = 1..6 if ( $array -contains 3 ) { # do something } 컬렉션에 값이 포함되어 있는지 ...
When you run the function, the value you supply for a parameter is assigned to a variable that contains the parameter name. The value of that variable can be used in the function. The following example is a function called Get-SmallFiles. This function has a $Size parameter. The function ...
This setting specifies the Microsoft .NET Framework type of the parameter value. For example, if the type isInt32, the parameter value must be an integer. If the type is string, the parameter value must be a character string. If the string contains spaces, the value must be enclosed in ...
A script file must have a.ps1file extension to be executable. Files that have spaces in their path must be enclosed in quotes. If you try to execute the quoted path, PowerShell displays the contents of the quoted string instead of running the script. The call operator (&) allows you to...
In that case, just use the –notcontains operator, an operator that returns True if the target value can’t be found in the array. In other words:Copy $arrColors -notcontains "violet" Here’s what we get back:Copy True Why? Because it’s true that the word violet is not an ...