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consoleapplauncher's Introduction

Introduction

ConsoleAppLauncher is a Windows Console Application wrapper for .NET written in C#.

It captures all the output generated in the console and provides simple interface to start and close console application. The ConsoleOutput event is fired every time when a new line is written by the console to standard/error output. The lines are queued and guaranteed to follow the output order.

For rationale see this SO question.

Samples

Usage samples are available in the ConsoleAppLauncher.Samples project.

    // Run simplest shell command and return its output.
    public static string GetWindowsVersion()
    {
        return ConsoleApp.Run("cmd", "/c ver").Output.Trim();
    }

    // Run ipconfig.exe and return matching line.
    public static string GetIpAddress()
    {
        var output = ConsoleApp.Run("ipconfig").Output;
        var match = Regex.Match(output, "IPv4 Address.*: (?<addr>.*)");
        return match.Success ? match.Groups["addr"].Value : "<undefined>";
    }

    // Run ping.exe asynchronously and return roundtrip times in a callback
// sample call:
    //    Action<string> action = Console.WriteLine;
    //    PingUrl("google.com", action);         
    public static void PingUrl(string url, Action<string> replyHandler)
    {
        var regex = new Regex("(time=|Average = )(?<time>.*?ms)", RegexOptions.Compiled);
        var app = new ConsoleApp("ping", url);
        app.ConsoleOutput += (o, args) =>
        {
            var match = regex.Match(args.Line);
            if (match.Success)
            {
                var roundtripTime = match.Groups["time"].Value;
                replyHandler(roundtripTime);
            }
        };
        app.Run();
        app.WaitForExit();
    }

    // Get Windows firewall rule
    public static string GetFirewallRule(string ruleName)
    {
        var cmdLine = string.Format("advfirewall firewall show rule \"{0}\" verbose", ruleName);
        return ConsoleApp.Run("netsh", cmdLine).Output.Trim();
    }

License

This library is released under The MIT License (MIT).

Copyright (c) 2013 Slava Guzenko 

Permission is hereby granted, free of charge, to any person obtaining a 
copy of this software and associated documentation files (the 
"Software"), to deal in the Software without restriction, including 
without limitation the rights to use, copy, modify, merge, publish, 
distribute, sublicense, and/or sell copies of the Software, and to 
permit persons to whom the Software is furnished to do so, subject to 
the following conditions: 

The above copyright notice and this permission notice shall be included 
in all copies or substantial portions of the Software. 

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS 
OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. 
IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY 
CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, 
TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE 
SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 

consoleapplauncher's People

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consoleapplauncher's Issues

.net core support

Hello, thank you for this library.

I'd like to use your library in a .net core application, could you release a .net standard version of it?

Redirecting Standard Input

The code does has RedirectStandardInput = true but I am actually looking to implement it by redirecting stdin from a string parameter of lines if it is indeed possible as I want to avoid having to write say a Python script out to a file before executing it. (I had attempted this on my own unsucessfully before turning to your code.) Let me make it clear as one can do:
ConsoleApp("...python.exe", "-c import "platform;print(platform.architecture()[0]);exit(0)"")
ConsoleApp("...python.exe", "<bits.py")
After writing out a "bits.py" containing:
platform
print(platform.architecture()[0])
exit(0)

But I want to actually invoke a ConsoleApp like library with ("...python.exe", ref string stdin, string.. args)
ConsoleApp("...python.exe", ref stdin, null) say where string stdin in this case =
@"platform
print(platform.architecture()[0])
exit(0)
"

Is it even possible or must I write out the python scripts e.g. "bits.py" to temp file and do a ConsoleApp("...python.exe", "<bits.py") all the time.

Am I being too abitious or niave to think that this could and should even be possible. BTW I am mostly interested in CPython (MinGW) from C# (for geospatial scripting using OSGeo4W pyQGIS and GDAL-OGR) that concerns me and interests me in this..

Let me know if you can offer any advice? Regards.

Support async/await

Is it possible to support async/await so that the UI does not lock up during the running of the console app?

Thanks,

Mike

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