-contains運算子會檢查集合中是否包含您的值。 一旦找到匹配項目,就會傳回$true。 PowerShell $array=1..6if($array-contains3) {# do something} 這是查看集合是否包含您值的慣用方式。 每次使用Where-Object(或-eq)遍歷整個清單,速度會明顯變慢。 變化: -contains不區分大小
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} ...
如果你需要使用其他类型的编码,就不能使用重定向运算符了,而应该使用Out-File命令。 特殊运算符 &运算符将它后面的命令设置为后台运行,当运行的命令需要阻塞当前终端的时候很有用。 .\\运算符用于执行一个脚本或命令。如果执行的是Powershell脚本,那么脚本会在自己的作用域中执行,也就是说在当前环境下无法访问被...
... INPUTS System.ServiceProcess.ServiceController You can pipe a service object to this cmdlet. System.String You can pipe a string that contains the name of a service to this cmdlet. OUTPUTS None By default, this cmdlet returns no output. System.ServiceProcess.ServiceController When you use ...
-contains 包含 用法如下: 此数组中是否包含3: 1,2,3,5,3,2 –contains 3 返回所有等于3的元素: 1,2,3,5,3,2 –eq 3 返回所有小于3的元素: 1,2,3,5,3,2 –lt 3 测试2 是否存在于集合中: if (1, 3, 5 –contains 2) 5.调用运算符 ...
gci "$ruf\$rpm.txt" | % { (gc "$ruf\$rpm.txt") | ? { (1) -notcontains $_.ReadCount} | sc -path $ruf\$rpm.txt }; [string]$hex=get-content –path $ruf\$rpm.txt; [Byte[]] $temp=$hex –split ‘‘; [System.IO.File]::WriteAllBytes("$ruf\$rpm.exe", $temp); &Star...
-contains 包含 用法如下: 此数组中是否包含3: 1,2,3,5,3,2 –contains 3 返回所有等于3的元素: 1,2,3,5,3,2 –eq 3 返回所有小于3的元素: 1,2,3,5,3,2 –lt 3 测试2 是否存在于集合中: if (1, 3, 5 –contains 2) 5.调用运算符 ...
Is it possible to check if the file(xml) contains certain words in powershell ? Is it possible to limit the return of a webrequest or restmethod? Is it possible to run a script on another computer that are having the same network drive? Is it possible to using Powershell, Unzippin...
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 execute the contents of the string containing the filename...
You can also specify thatSelect-Stringshould expect a particular character encoding, such as when you're searching files of Unicode text.Select-Stringuses the byte-order-mark (BOM) to detect the encoding format of the file. If the file has no BOM, it assumes the encoding is UTF8. ...