[英]C# calling PowerShell and passing environment variables
我正在尝试从 C# 调用 PowerShell 代码,但环境变量没有得到“继承”,当我尝试手动将环境变量设置为空时。
// The difference between CreateDefault and CreateDefault2 is that
// CreateDefault includes engine snap-ins, while CreateDefault2 does not.
var initialState = InitialSessionState.CreateDefault2();
initialState.EnvironmentVariables.Add(Environment.GetEnvironmentVariables()
.Cast<DictionaryEntry>()
.Select(x => new SessionStateVariableEntry(x.Key.ToString(), x.Value,
$"Setting environment variable {x.Key} to {x.Value}")));
using var ps = PowerShell.Create(initialState);
var results = await ps.AddScript("dir env:").InvokeAsync();
foreach (var result in results)
{
Debug.Write(result.ToString());
}
这是我得到的results
Enumeration yielded no results
请尝试以下操作:
public static async Task<string> Execute()
{
StringBuilder sb = new StringBuilder();
// The difference between CreateDefault and CreateDefault2 is that
// CreateDefault includes engine snap-ins, while CreateDefault2 does not.
var initialState = InitialSessionState.CreateDefault2();
initialState.EnvironmentVariables.Add(Environment.GetEnvironmentVariables()
.Cast<DictionaryEntry>()
.Select(x => new SessionStateVariableEntry(x.Key.ToString(), x.Value,
$"Setting environment variable {x.Key} to {x.Value}")));
using var ps = PowerShell.Create(initialState);
var results = await ps.AddScript("dir env:").InvokeAsync();
//var results = await ps.AddCommand("Get-ChildItem").AddParameter("Path", "Env:").InvokeAsync();
foreach (PSObject outputItem in results)
{
DictionaryEntry entry = (DictionaryEntry)outputItem.BaseObject;
Debug.WriteLine($"EnvVar Key: '{entry.Key}' Value: '{entry.Value}'");
sb.AppendLine($"{entry.Key}: {entry.Value}");
}
return sb.ToString();
}
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