if语句最常见的用法是比较两个项。 PowerShell 具有特殊运算符,可用于不同的比较方案。 当使用比较运算符时,会将左右两侧的值进行比较。 -eq(等于) -eq在两个值之间执行相等检查,以确保它们彼此相等。 PowerShell $value=Get-MysteryValueif(5-eq$value) {# do something} ...
A positive result will be returned /// if any of the patterns are found in the objects. /// /// <remarks> /// The patterns will be compiled into an array of wildcard /// patterns for a simple match (literal string matching), /// or the patterns will be converted into a...
所在位置行:1字符:13+MyScript.ps1<<<+CategoryInfo:ObjectNotFound:(MyScript.ps1:String)[],CommandNotFoundException+FullyQualifiedErrorId:CommandNotFoundExceptionSuggestion[3,General]:未找到命令MyScript.ps1,但它确实存在于当前位置。WindowsPowerShell默认情况下不从当前位置加载命令。如果信任此命令,请改为键入...
<BinaryExpressionAst Operator="Format"StaticType="System.Object"><StringConstantExpressionAst StringConstantType="DoubleQuoted"StaticType="string">{0}{1}</StringConstantExpressionAst><ArrayLiteralAst StaticType="System.Object[]"><Elements><StringConstantExpressionAst StringConstantType="SingleQuoted"StaticT...
问使用powershell捕获数组中的正则表达式匹配EN 今天领导让我写几个正则表达式来对密码做强度验证，...
To create a strongly typed array, that is, an array that can contain only values of a particular type, cast the variable as an array type, such as string[], long[], or int32[]. To cast an array, precede the variable name with an array type enclosed in brackets. For example:Power...
For instance, given an array[PowerShell", "Java", "PHP"], we want to check if the string"Java"is an element of this array. This simple query opens up a range of important considerations such as case sensitivity and the ability to handle different data types. ...
If you typeGet-SmallFileswithout a value, the function assigns 100 to$size. If you provide a value, the function uses that value. Optionally, you can provide a brief help string that describes the default value of your parameter, by adding thePSDefaultValueattribute to the description of your...
Returns the result of one or more statements. For a single result, returns ascalar. For multiple results, returns an array. Use this when you want to use an expression within another expression. For example, to embed the results of command in a string expression. ...
使用Select-String可以过滤出文本文件中的信息。下面的命令行会从文件中过滤出包含 third短语的行。 PS C:\PowerShell> Get-Content .\info.txt | Select-String "third" Third Line 1. 2. 处理逗号分隔的列表 在PowerShell中处理逗号分隔的列表文件中的信息时你须要使用Import-Csv文件。为了测试,先创建一个逗...