[英]Passing Variables from C# to Powershell
I am working on a C# project that that is supposed to grab a string variable (file path) and pass it to PowerShell script to have further commands done with it. 我正在研究一个C#项目,该项目应该获取一个字符串变量(文件路径),并将其传递给PowerShell脚本以使用它完成更多命令。 I have been looking around online and through Stack and have not been able to find something that works for me...
我一直在网上浏览并通过Stack查找,但是找不到适合我的东西...
Here is my C# code as it stands right now: 这是我现在的C#代码:
string script = System.IO.File.ReadAllText(@"C:\my\script\path\script.ps1");
using (Runspace runspace = RunspaceFactory.CreateRunspace())
{
runspace.Open();
PowerShell ps = PowerShell.Create();
ps.Runspace = runspace;
ps.AddScript(script);
ps.Invoke();
ps.AddCommand("LocalCopy");
foreach (PSObject result in ps.Invoke())
{
Console.WriteLine(result);
}
}
Here is my PowerShell script: 这是我的PowerShell脚本:
Function LocalCopy
{
Get-ChildItem -path "C:\Users\file1\file2\file3\" -Filter *.tib -Recurse |
Copy-Item -Destination "C:\Users\file1\file2\local\"
}
What I want to do is have the first part of the the script: "C:\\Users\\file1\\file2\\file3\\"
replaced with (what i am assuming would be) a variable that I could pass from the C# code to the PowerShell script. 我想做的是将脚本的第一部分:
"C:\\Users\\file1\\file2\\file3\\"
替换为(我假设是)可以从C#代码传递给PowerShell脚本。 I am very new to working with PowerShell and am not quite sure how I would go about doing something like this. 我对使用PowerShell非常陌生,并且不确定如何做这样的事情。
---EDIT--- - -编辑 - -
I am still having issues with my code, but i am not getting any errors. 我的代码仍然有问题,但没有收到任何错误。 I believe that it is because the variable is still not being passed through...
我相信这是因为变量仍然没有通过...
C# code: C#代码:
string script = System.IO.File.ReadAllText(@"C:\\my\\script\\path\\script.ps1"); 字符串脚本= System.IO.File.ReadAllText(@“ C:\\ my \\ script \\ path \\ script.ps1”);
using (Runspace runspace = RunspaceFactory.CreateRunspace())
{
runspace.Open();
PowerShell ps = PowerShell.Create();
ps.Runspace = runspace;
ps.AddScript(script);
ps.Invoke();
ps.AddArgument(FilePathVariable);
ps.AddCommand("LocalCopy");
foreach (PSObject result in ps.Invoke())
{
Console.WriteLine(result);
}
}
PowerShell code: PowerShell代码:
Function LocalCopy
{
$path = $args[0]
Get-ChildItem -path $path -Filter *.tib -Recurse |
Copy-Item -Destination "C:\Users\file1\file2\local\"
}
Any help would be much appreciated. 任何帮助将非常感激。 Thanks!
谢谢!
I would go the route Anand has shown to pass a path into your script. 我会选择Anand所示的路线,将路径传递到您的脚本中。 But to answer the question posed by your title, here's how you pass variable from C#.
但是要回答标题所提出的问题,这是如何从C#传递变量。 Well this is really how you set the variable in the PowerShell engine.
好的,这就是您在PowerShell引擎中设置变量的方式。
ps.Runspace.SessionStateProxy.SetVariable("Path", @"C:\Users\file1\file2\file3\");
Note: in C# for file paths you really want to use verbatim @
strings. 注意:在C#中,对于文件路径,您确实要使用逐字
@
字符串。
Update: based on your comments, try this: 更新:根据您的评论,尝试以下操作:
runspace.Open();
PowerShell ps = PowerShell.Create();
ps.Runspace = runspace;
ps.AddScript(script, false); // Use false to tell PowerShell to run script in current
// scope otherwise LocalCopy function won't be available
// later when we try to invoke it.
ps.Invoke();
ps.Commands.Clear();
ps.AddCommand("LocalCopy").AddArgument(FilePathVariable);
ps.Invoke();
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