我试图将$array2的所有字符串值与$array匹配,期望结果为“五”,但它给出的结果是“两”。但是,如果在数组中使用诸如“1”、“2”之类的数字,则它可以按预期工作。 请帮助我更正下面的powershell代码。 Code : $matchingCount = 0 $array = @('blue','red','purple','pink') $array2 = @('blue','...
PS> $empty = $null PS> $empty[0] Error: Cannot index into a null array. 因此,在尝试访问数组中的元素之前,请确保数组不是 $null。Count数组和其他集合具有计数属性,可告知数组中有多少项。PowerShell 复制 PS> $data.count 4 PowerShell 3.0 向大多数对象添加了计数属性。 你可以使用单个对象,它应该...
$array = foreach ( $node in (1..5)) { "ATX-SQL-$node" } 陣列型別根據預設,PowerShell 中的陣列會建立為 [PSObject[]] 類型。 這可讓它包含任何類型的物件或值。 這可運作,因為所有專案都是繼承自 PSObject 類型。強型別陣列您可以使用類似的語法來建立任何類型的陣列。 當您建立強型別數位時,它...
$array=1..6if(3-in$array) {# do something} 變化: 不區分大小寫的比對-in -iin不區分大小寫的比對 -cin大小寫敏感匹配 不區分大小寫地未匹配-notin 不區分大小寫的-inotin未匹配 區分大小寫不相符-cnotin 邏輯運算子 邏輯運算子可用來反轉或合併其他表達式。
Find all unique triplets in the array which gives the sum of zero.Note:The solution set must not con 数组 最优解 双指针 linux 文件系统笔记 文件格式: windows:PE linux: ELF文件系统: rootfsFHS:规定linux应该创建哪些目录/下的目录结构:/boot: 系统启动相关的文件,如内核, linux 系统笔记 文件 ...
cat somefile.txt | where { $-match "some_regexp"} 纯种Powershell实现了,利用了where过滤 第三种: Select-String "some_regexp" somefile.txt 直接用Select-string的实现。 经过测试,最后写出的 powershell 命令如下: cat.\log.log|where {$_ -match"\d{3,}\.\d{2,}s"} >>result.log ...
Cannot find drive. A drive with the name 'E' does not exist. Cannot find path ... because it does not exist. WHY?? Cannot index into a null array Cannot index into a null array. Cannot install AdmPwd.PS Cannot install module from PowerShell Gallery Cannot modify sAMAccountName attribute...
$false: You can't replace an existing database with a newly-created database. You can't mount a database that doesn't match the database entry in Active Directory. This is the default value. Expand table Type: Boolean Position: Named Default value: None Required: False Accept pipeline ...
Specifies the number of adjacent objects thatCompare-Objectinspects while looking for a match in a collection of objects.Compare-Objectexamines adjacent objects when it doesn't find the object in the same position in a collection. The default value is[int32]::MaxValue, which means thatCompare-...
Select-Stringis based on lines of text. By default,Select-Stringfinds the first match in each line and, for each match, it displays the file name, line number, and all text in the line containing the match. You can directSelect-Stringto find multiple matches per line, display text before...