Powershell 脚本参数作为变量名

Question

我对 Powershell 脚本很陌生，我遇到了一个问题，我显然不知道如何向 Google 提出正确的问题。

我正在编写一个要从系统调用的脚本，该系统只允许我向命令行添加一个参数，但实际上我需要更多的值来执行脚本。

我的想法是为每个可能的参数构建一个变量，然后使用该变量（简化）：

$name1= "value1","value2","value3"
$name2= "value4","value5","value6"
$name3= "value7","vlaue8","value9"

foreach ($value in $nameX) { } 

然后调用脚本，如：script.ps1 nameX

但是如何将参数转换成对应变量的名称呢？

或者有没有更简单的方法...？

Answer 1

您应该能够使用Get-Variable cmdlet 解决您的问题：

# The one and only argument passed: the name of a variable defined inside
# the script; e.g., 'name1'
$variableName = $args[0]

# Define the variables that the argument can refer to:
$name1= "value1","value2","value3"
$name2= "value4","value5","value6"
$name3= "value7","vlaue8","value9"

# Use Get-Variable to get a variable's value by name.
# (Error handling omitted for brevity.)
foreach ($value in (Get-Variable $variableName -ValueOnly)) { 
  # ...
}