standard output from Process not giving any output for certain commands

I am using C# process to run some processes. The shell is

cmd.exe

cmd.exe

, and running several types of scripts work. But, when I try to run python idle with the command

cmd.exe /C python

cmd.exe /C python

, it is giving no output and the process is also not exiting. It should have displayed the idle texts like it do on a normal terminal.
The task function in which I am writing the output:

async Task OutputToConsole(StreamReader reader, Process process)
{
    var buffer = new char[128];
    while (true)
    {
        var read = await reader.ReadAsync(buffer, 0, buffer.Length);
        if (read > 0)
        {
            var output = new string(buffer, 0, read);
            Console.Write(output);
        }

        if (process.HasExited && read == 0) break;
    }
}

async Task OutputToConsole(StreamReader reader, Process process)
{
    var buffer = new char[128];
    while (true)
    {
        var read = await reader.ReadAsync(buffer, 0, buffer.Length);
        if (read > 0)
        {
            var output = new string(buffer, 0, read);
            Console.Write(output);
        }

        if (process.HasExited && read == 0) break;
    }
}

Is my approach wrong? Thank you!

C#•2y ago•

81 replies

abdesol

standard output from Process not giving any output for certain commands

I am using C# process to run some processes. The shell is

cmd.exe

cmd.exe

, and running several types of scripts work. But, when I try to run python idle with the command

cmd.exe /C python

cmd.exe /C python

, it is giving no output and the process is also not exiting. It should have displayed the idle texts like it do on a normal terminal.
The task function in which I am writing the output:

async Task OutputToConsole(StreamReader reader, Process process)
{
    var buffer = new char[128];
    while (true)
    {
        var read = await reader.ReadAsync(buffer, 0, buffer.Length);
        if (read > 0)
        {
            var output = new string(buffer, 0, read);
            Console.Write(output);
        }

        if (process.HasExited && read == 0) break;
    }
}

async Task OutputToConsole(StreamReader reader, Process process)
{
    var buffer = new char[128];
    while (true)
    {
        var read = await reader.ReadAsync(buffer, 0, buffer.Length);
        if (read > 0)
        {
            var output = new string(buffer, 0, read);
            Console.Write(output);
        }

        if (process.HasExited && read == 0) break;
    }
}

Is my approach wrong? Thank you!

standard output from Process not giving any output for certain commands

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