管道中使用的System.Diagnostics.Process命令行的文件 [英] Piping in a file on the command-line using System.Diagnostics.Process

问题描述

我试图运行在文件中的命令行程序和管道。该命令适用于命令行罚款，但我似乎无法得到它与C＃中的Process对象工作。下面是我发出命令：

I'm trying to run a command-line program and piping in a file. The command works fine on the command-line, but I can't seem to get it to work with the Process object in C#. Here's the command I'm issuing:

C：\\ \\服务器CollabNet的Subversion服务器\\ svnadmin的加载C：\\库\\ TestLoad＆LT; C：\\ TEMP \\ test.dump

"C:\Servers\CollabNet Subversion Server\svnadmin" load C:\Repositories\TestLoad < C:\Temp\test.dump

此功能工作正常，尽管我传递给它的，除上述命令中的其他命令：

This function works fine with all the other commands that I pass to it, except for the command above:

public static bool ExecuteSvnCommand( string command, string arguments, out string result, out string errors )
{
    bool retval = false;
    string output = string.Empty;
    string errorLines = string.Empty;
    Process svnCommand = null;
    var psi = new ProcessStartInfo( command );

    psi.RedirectStandardOutput = true;
    psi.RedirectStandardError = true;
    psi.WindowStyle = ProcessWindowStyle.Hidden;
    psi.UseShellExecute = false;
    psi.CreateNoWindow = true;

    try
    {
        Process.Start( psi );
        psi.Arguments = arguments;
        svnCommand = Process.Start( psi );

        StreamReader myOutput = svnCommand.StandardOutput;
        StreamReader myErrors = svnCommand.StandardError;
        svnCommand.WaitForExit();

        if ( svnCommand.HasExited )
        {
            output = myOutput.ReadToEnd();
            errorLines = myErrors.ReadToEnd();
        }

        // Check for errors
        if ( errorLines.Trim().Length == 0 )
        {
            retval = true;
        }
    }
    catch ( Exception ex )
    {
        string msg = ex.Message;
        errorLines += Environment.NewLine + msg;
    }
    finally
    {
        if (svnCommand != null)
        {
            svnCommand.Close();
        }
    }

    result = output;
        errors = errorLines;

    return retval;
}

我试过这个函数的几个不同的组合，但我不能得到这个工作。我不断收到一个系统找不到指定文件的消息。我已经在这一个星期左右，现在，我想我需要几双眼睛，看看有什么我做错了。

I've tried several different combinations of this function, but I can't get this to work. I keep getting a "The system cannot find the file specified" message. I've been at this for about a week now, and I think I need a few set of eyes to see what I'm doing wrong.

推荐答案

这两个马克和卢克给了我正确的方向走。因为我不得不这样做，使之能够使用Mono运行在Linux上我无法使用任何答案。所以，我最后写的StandardInput的建议。这里是code的作品：

Both Mark and Luke gave me the right direction to go. I couldn't use either answer because I had to do this so that it could run with Mono in Linux. So I ended up writing to the StandardInput as suggested. Here is the code that works:

public static bool ExecuteSvnCommandWithFileInput( string command, string arguments, string filePath, out string result, out string errors )
{
    bool retval = false;
    string output = string.Empty;
    string errorLines = string.Empty;
    Process svnCommand = null;
    var psi = new ProcessStartInfo( command );

    psi.RedirectStandardInput = true;
    psi.RedirectStandardOutput = true;
    psi.RedirectStandardError = true;
    psi.WindowStyle = ProcessWindowStyle.Hidden;
    psi.UseShellExecute = false;
    psi.CreateNoWindow = true;

    try
    {
        Process.Start( psi );
        psi.Arguments = arguments;
        svnCommand = Process.Start( psi );

        var file = new FileInfo(filePath);
        StreamReader reader = file.OpenText();
        string fileContents = reader.ReadToEnd();
        reader.Close();

        StreamWriter myWriter = svnCommand.StandardInput;
        StreamReader myOutput = svnCommand.StandardOutput;
        StreamReader myErrors = svnCommand.StandardError;

        myWriter.AutoFlush = true;
        myWriter.Write(fileContents);
        myWriter.Close();

        output = myOutput.ReadToEnd();
        errorLines = myErrors.ReadToEnd();

        // Check for errors
        if ( errorLines.Trim().Length == 0 )
        {
            retval = true;
        }
    }
    catch ( Exception ex )
    {
        string msg = ex.Message;
        errorLines += Environment.NewLine + msg;
    }
    finally
    {
        if (svnCommand != null)
        {
            svnCommand.Close();
        }
    }

    result = output;
    errors = errorLines;

    return retval;
}

这篇关于管道中使用的System.Diagnostics.Process命令行的文件的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持IT屋！