about_Comparison_Operators發行項 2024/01/20 3 位參與者 意見反應 本文內容 簡短描述 詳細描述 一般功能 等號比較運算子 顯示其他 5 個 簡短描述PowerShell 中的比較運算符可以比較兩個值或篩選集合元素與輸入值。詳細描述比較運算子可讓您比較符合指定模式的值或尋找值。 PowerShell 包含下列比較運算子:...
要开始筛选,需要一种方法来让 PowerShell 知道你想要保留哪些对象,且想要从管道中移除哪些对象。 要执行此任务,可以为要保留的对象指定条件。 为此,可以使用某个 PowerShell 比较运算符将对象的特定属性与指定的值进行比较。 如果比较结果为 true,PowerShell 会保留该对象;如果比较结果为 false,则将...
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Table 1: PowerShell Comparison Operators Flow control is then handled using this set of commands: Control Example Code If if ($val -eq "target") { #work } For For ($i=0; $i -lt 10; $i++) { #work } ForEach Foreach ($obj in $objects) { ...
With this newfound knowledge, you can now use the Not Equal operator in your PowerShell scripts to test conditions. However, keep in mind that other comparison operators are also available. You might want to combine multiple operators to test more complex conditions....
ComparisonOperator is an OPATH comparison operator (for example-eqfor equals and-likefor string comparison). For more information about comparison operators, seeabout_Comparison_Operators. Value is the property value to search for. Enclose text values and variables in single quotation marks ('Value'...
ComparisonOperator is an OPATH comparison operator (for example-eqfor equals and-likefor string comparison). For more information about comparison operators, seeabout_Comparison_Operators. Value is the property value to search for. Enclose text values and variables in single quotation marks ('Value'...
Logical operators -and, -or, -xor, -not For a detailed description (and examples) of these operators, see Comparison Operators. Discussion PowerShell’s logical and comparison operators let you compare pieces of data or test data for some condition. An operator either compares two pieces of da...
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PowerShell comparison operators OperatorMeaning -eq The equality operator: $leftValue -eq $rightValue For all primitive types, returns $true if $leftValue and $rightValue are equal. When used with arrays, returns all elements in $leftValue that are equal to $rightValue. When used with any...