$array = 1..5 | ForEach-Object { "ATX-SQL-$PSItem" } 通常,当我们考虑使用管道时,我们会想到典型的 PowerShell 单行命令。 可以通过 foreach() 语句和其他循环来利用管道。 因此,我们可以将项放到管道中,而不是在循环中向数组添加项。PowerShell 复制 ...
a=New-Object'object[,]'2,2# create a 2x2 array of anything$a[0,0] =10# set to an int value$a[0,1] =$false# set to a boolean value$a[1,0] ="red"# set to a string value$a[1,1] =10.50D# set to a decimal valueforeach($ein$a) {# enumerate over the whole array$e...
When no data type is specified, PowerShell creates each array as an object array (System.Object[]). To determine the data type of an array, use the GetType() method. For example:PowerShell Copy $A.GetType() To create a strongly typed array, that is, an array that can contain only...
$build_infoJson=$web_client.DownloadString($url) | ConvertFrom-Json; # simpleforecast forecastday has 10 array object $forecastdays=$build_infoJson.forecast.simpleforecast.forecastday ; $forecastdaysArraryList = New-Object -TypeName System.Collections.ArrayList foreach ($forecastday in $forecastdays...
powershell具有在硬盘中易绕过，内存中难查杀的特点。一般在后渗透中，攻击者可以在计算机上执行代码时，...
To create a range of characters, enclose the characters in quotes. PowerShell PS>'a'..'f'a b c d e f PowerShell PS>'F'..'A'F E D C B A If you assign a character range to a string, it's treated the same assigning a character array to a string. ...
When you use positional parameters, type one or more values after the function name. Positional parameter values are assigned to the$argsarray variable. The value that follows the function name is assigned to the first position in the$argsarray,$args[0]. ...
As an example, this can be useful when we have very large input data of comma-separated input with 15 columns and we are only interested in the third column from the end. If we were to use the-split','operator, we would create 15 new strings and an array for each line. On the ot...
要做到这点,在管道中使用Where-Object来处理Dir返回的结果,然后再使用ForEach-Object,或者你自定义的管道过滤。 你还可以将多个Dir 命令执行的结果结合起来。在下面的例子中,两个分开的Dir命令,产生两个分开的文件列表。然后PowerShell将它们结合起来发送给管道进行深度处理。这个例子获取Windows目录和安装程序目录下的所...
) { # Get the file from the array to process $file = $fileList[$i] # If the file doesn't need to be renamed, continue to the next file if ($file.Name -notmatch $pattern) { continue } # Get the work item number from the regular expression, create the # padded string from it...