ForEach(string methodName, object[] arguments)最後, ForEach() 方法可用來在集合中的每個專案上執行方法。PowerShell 複製 ("one", "two", "three").ForEach("ToUpper") Output 複製 ONE TWO THREE 就像的 參數一樣,ForEach-Object參數允許將值陣列傳遞至設定接受它們的腳本區塊。
Powershell 默认支持的.NET类型如下。 [array],[bool],[byte],[char],[datetime],[decimal],[double],[guid],[hashtable],[int16],[int32],[int],[int64],[long],[nullable],[psobject],[regex],[sbyte].[scriptblock],[single],[float],[string],[switch],[timespan],[type],[uint16],[uint3...
从PowerShell 7.0 开始,遍历集合中项的ForEach-Objectcmdlet 现在由于新的Parallel参数而具备内置并行处理能力。 默认情况下,并行脚本块使用启动并行任务的调用方当前工作目录。 此示例从本地 Windows 计算机上的 5 个系统日志检索 50,000 个日志条目: PowerShell ...
One thing that makes Windows PowerShell easy to use, is that it automatically unravels arrays. An array is when I add more than one thing to a variable. For example, earlier I assigned three values to three variables. Now, I want to add those three variables to a single variable. So I...
Change the value of an array element in ForEach loop? Changing contents of a text box multiple times in a powershell form Changing email Categories with PowerShell Changing file time Changing Local Group Policy and Local Security Policy via PowerShell Changing nth character for each item of a ...
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...
-eq :等于 -ne :不等于 -gt :大于 -ge :大于等于 -lt :小于 -le :小于等于 -contains :包含 $array -contains something -notcontains :不包含 !($a): 求反 -and :和 -or :或 -xor :异或 -not :逆 if-else if-else: if($value -eq 1){ code1 }else{ code2 } 循环语句 wh...
And once again we pipe that information to the ForEach-Object cmdlet. This time, however, we don’t just display the value of the FreeSpace property. Instead, we divide that value by 1GB (1 gigabyte): Copy $_.freespace / 1GB That’s right, Windows PowerShell has a built-in ...
Change the value of an array element in ForEach loop? Changing contents of a text box multiple times in a powershell form Changing email Categories with PowerShell Changing file time Changing Local Group Policy and Local Security Policy via PowerShell Changing nth character for each item of a ...
()# Store database names in an array$databaseNames= @()while($databases.Read()){$databaseName=$databases.GetString(0)$databaseNames+=$databaseName}$databases.Close()$masterConnection.Close()# Process tables in each databaseforeach($databaseNamein$databaseN...