[Mono-list] Capturing output from Linux Command Line programs

[Dilton McGowan II]

Cool, odd, but cool that you found a workaround Tracy.

--- mono-list.1.tracyanne at spamgourmet.com wrote:

> 
> > Dilton McGowan II diltonm at yahoo.com 
> > Tue Aug 16 19:38:50 EDT 2005
> > 
> > Using the code from your original post,
> substituting 
> > ls for wget works. "standard" is not always
> standard.
> > IIRC, some programs output to screen memory for
> speed
> > rather than through the BIOS character IO
> subsystem.
> 
> 
> So I have discovered, and that was what lead to my
> confusion. The
> following code using wget does, however work. You
> will notice that I am
> reading the stream from stderr. When I do this I am
> able to retrieve
> the status information that wget normally writes to
> the console.
> 
> using System;
> using System.Diagnostics;
> using System.IO;
> 
> class MainClass
> {
> 	public static void Main(string[] args)
> 	{
> 		ProcessStartInfo psi = new ProcessStartInfo();
> 		psi.FileName = "/usr/bin/wget";
> 		//
> 		//change the pths to one of your choosing
> 		//
> 		psi.Arguments = "-m -nd
> --directory-prefix=/home/tracy/Downloads/test
> --input-file=/home/tracy/Downloads/test/wgetlist";
> 
> 		psi.RedirectStandardInput = false;
> 		psi.RedirectStandardOutput = false;
> 		psi.RedirectStandardError = true;
> 		
> 		//place the following text in a file name wgetlist
> 	
>
//ftp://anonymous@ftp.planetmirror.com/disks/2/mandrake/devel/cooker/i586/media/main/cdrdao-1.2.0-2mdk.i586.rpm
> 		//
> 		
> 		psi.UseShellExecute = false;
> 		
> 		Process process = Process.Start(psi);
> 		
> 		Console.WriteLine("Process Name: " +
> process.ProcessName);
> 		Console.WriteLine("Process Id: " + process.Id);
> 		Console.WriteLine("Process RedirectInput: " +
> process.StartInfo.RedirectStandardInput);
> 		Console.WriteLine("Process RedirectOutput: " +
> process.StartInfo.RedirectStandardOutput);
> 		Console.WriteLine("Process RedirectError: " +
> process.StartInfo.RedirectStandardError);
> 		
> 		Console.WriteLine("Processing");			
> 		bool retn = false;
> 		while (!retn)
> 		{			
> 			StreamReader sr = null;
> 			sr = process.StandardError;
> 
> 			string content = sr.ReadLine();
> 			Console.WriteLine("Stuff my GUI application will
> use: " + content);
> 			
> 			retn = process.WaitForExit(1000);
> 		}
> 		
> 		Console.WriteLine("Process has exited: " +
> retn.ToString());
> 		process.Close();
> 	}
> }
> 
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> 


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