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# scriptcs | ||
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## Why should you care? | ||
Write C# apps with a text editor, nuget and the power of Rosyln! | ||
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**Note**: *Rosyln is a pre-release CTP and currently an unsupported technology. As such there may be changes in Roslyn itself that could impact this project. Please bear that in mind when using scriptcs* | ||
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* More on why I developed this [here] (http://codebetter.com/glennblock/2013/02/28/scriptcs-living-on-the-edge-in-c-without-a-project-on-the-wings-of-roslyn-and-nuget/) | ||
* Check out our goals and rodmap [here] (https://github.com/scriptcs/scriptcs/wiki/Project-goals-and-roadmap) | ||
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## Pre-reqs | ||
* Install the [nuget cmdline bootstrapper] (http://nuget.codeplex.com/releases/view/58939) | ||
* Build the project and put scriptcs.exe in your path. | ||
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## Quick start | ||
* Open a cmd prompt as admin | ||
* Create a directory "c:\scriptcs_hello" and change to it. | ||
* run "nuget install Microsoft.AspNet.WebApi.SelfHost -o Packages" | ||
* create a server.csx with your favorite editor. Paste the text below into the file and save. | ||
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```csharp | ||
using System; | ||
using System.IO; | ||
using System.Web.Http; | ||
using System.Web.Http.SelfHost; | ||
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var address = "http://localhost:8080"; | ||
var conf = new HttpSelfHostConfiguration(new Uri(address)); | ||
conf.Routes.MapHttpRoute(name: "DefaultApi", | ||
routeTemplate: "api/{controller}/{id}", | ||
defaults: new { id = RouteParameter.Optional } | ||
); | ||
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var server = new HttpSelfHostServer(conf); | ||
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## What is it? | ||
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scriptcs makes it easy to write and execute C# with a simple text editor. | ||
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While Visual Studio, and other IDEs, are powerful tools, they can sometimes hinder productivity more than they promote it. You don’t always need, or want, the overhead of a creating a new solution or project. Sometimes you want to just type away in your favorite text editor. | ||
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scriptcs frees you from Visual Studio, without sacrificing the advantages of a strongly-typed language. | ||
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* Write C# in your favorite text editor. | ||
* Use NuGet to manage your dependencies. | ||
* The relaxed C# scripting syntax means you can write and execute an application with only one line of code. | ||
* Script Packs allow you to bootstrap the environment for new scripts, further reduces the amount of code necessary to take advantage of your favorite C# frameworks. | ||
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## Getting scriptcs | ||
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Releases and nightly builds should be installed using [Chocolatey](http://chocolatey.org/). To install Chocolatey, execute the following command in your command prompt: | ||
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@powershell -NoProfile -ExecutionPolicy Unrestricted -Command "iex ((New-Object Net.WebClient).DownloadString('https://chocolatey.org/install.ps1'))" && SET PATH=%PATH%;%systemdrive%\chocolatey\bin | ||
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### Installing scriptcs | ||
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Once Chocolatey has been installed, you can install the latest stable version of scriptcs from your command prompt: | ||
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cinst scriptcs | ||
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Chocolatey will install scriptcs to `%APPDATA%\scriptcs\` and update your PATH accordingly. | ||
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**Note:** You may need to restart your command prompt after the installation completes. | ||
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### Staying up-to-date | ||
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With Chocolatey, keeping scriptcs updated is just as easy: | ||
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cup scriptcs | ||
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### Nightly builds | ||
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Nightly builds are hosted on [MyGet](https://www.myget.org/), and can also be installed through with Chocolatey: | ||
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cinst scriptcs -pre -source https://www.myget.org/F/scriptcsnightly/ | ||
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### Building from source | ||
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Execute `build.cmd` to start the build script. | ||
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## Getting Started | ||
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### Using the REPL | ||
The scriptcs REPL can be started by running scriptcs without any parameters. The REPL allows you to execute C# statements directly from your command prompt. | ||
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```batchfile | ||
C:\> scriptcs | ||
scriptcs (ctrl-c or blank to exit) | ||
> var message = "Hello, world!"; | ||
> Console.WriteLine(message); | ||
Hello, world! | ||
> | ||
C:\> | ||
``` | ||
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### Writing a script | ||
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* In an empty directory, create a new file named `app.csx`: | ||
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```c# | ||
using Raven.Client; | ||
using Raven.Client.Embedded; | ||
using Raven.Client.Indexes; | ||
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Console.WriteLine("Starting RavenDB server..."); | ||
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EmbeddableDocumentStore documentStore = null; | ||
try | ||
{ | ||
documentStore = new EmbeddableDocumentStore { UseEmbeddedHttpServer = true }; | ||
documentStore.Initialize(); | ||
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var url = string.Format("http://localhost:{0}", documentStore.Configuration.Port); | ||
Console.WriteLine("RavenDB started, listening on {0}.", url); | ||
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Console.ReadKey(); | ||
} | ||
finally | ||
{ | ||
if (documentStore != null) | ||
documentStore.Dispose(); | ||
} | ||
``` | ||
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* Install the [RavenDB.Embedded](https://nuget.org/packages/RavenDB.Embedded/) package from NuGet using the [install command](https://github.com/scriptcs/scriptcs/wiki/Package-installation). | ||
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```batchfile | ||
scriptcs -install RavenDB.Embedded | ||
``` | ||
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* Execute your script. Note that listening on a port requires that the command prompt be launched using the **Run as Administrator** option. | ||
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```batchfile | ||
> scriptcs app.csx | ||
INFO : Starting to create execution components | ||
INFO : Starting execution | ||
Starting RavenDB server... | ||
.. snip .. | ||
RavenDB started, listening on http://localhost:8080. | ||
``` | ||
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* Navigating to the URL that Raven is listening on will now bring up the RavenDB management studio. | ||
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### Bootstrap scripts with Script Packs | ||
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Script Packs can be used to further reduce the amount of code you need to write when working with common frameworks. | ||
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* In an empty directory, install the [ScriptCs.WebApi](https://nuget.org/packages/ScriptCs.WebApi/) script pack from NuGet. The script pack will automatically imports the Web API namespaces and provides a convenient factory method for initializing the Web API host. It also replaces the default `ControllerResolver` with a custom implementation that allows Web API to discover controllers declared in scripts. | ||
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```batchfile | ||
scriptcs -install ScriptCs.WebApi | ||
``` | ||
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* Script packs can be imported into a script by calling `Require<TScriptPack>()`. Create a file named `server.csx` that contains the following code: | ||
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```c# | ||
public class TestController : ApiController { | ||
public string Get() { | ||
return "Hello world!"; | ||
} | ||
} | ||
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var webApi = Require<WebApi>(); | ||
var server = webApi.CreateServer("http://localhost:8888"); | ||
server.OpenAsync().Wait(); | ||
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Console.WriteLine("Listening..."); | ||
Console.ReadKey(); | ||
server.CloseAsync().Wait(); | ||
``` | ||
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* In a command prompt running as administrator, execute the `server.csx` file. | ||
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```batchfile | ||
scriptcs server.csx | ||
``` | ||
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* Browse to http://localhost:8888/test/ to see the result of the TestController.Get method. | ||
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```xml | ||
<string xmlns="http://schemas.microsoft.com/2003/10/Serialization/">Hello world!</string> | ||
``` | ||
* run "scriptcs server.csx" | ||
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This will launch a web api host. | ||
### Referencing scripts | ||
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## How it works | ||
scriptcs relies on Rosyln for loading loose C# script files. It will automatically discover nuget packages local to the app and load the binaries. | ||
* Move the TestController class from the previous example into a new file named `controller.csx` with the following content. | ||
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## Docs | ||
* [Referencing other scripts from your script](https://github.com/scriptcs/scriptcs/wiki/Referencing-scripts) | ||
* [Debugging overview & How To](https://github.com/scriptcs/scriptcs/blob/dev/docs/DEBUGGING.md) | ||
* On the first line of `server.csx`, reference `controller.csx` using the [#load directive](https://github.com/scriptcs/scriptcs/wiki/Writing-a-script#loading-referenced-scripts). **Note:** #load directives must be placed at the top of a script, otherwise they will be ignored. | ||
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``` | ||
#load "controller.csx" | ||
``` | ||
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* In a command prompt running as administrator, execute the `server.csx` file. | ||
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```batchfile | ||
scriptcs server.csx | ||
``` | ||
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* Browse to http://localhost:8888/test/ to see the result of the TestController.Get method. | ||
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```xml | ||
<string xmlns="http://schemas.microsoft.com/2003/10/Serialization/">Hello world!</string> | ||
``` | ||
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### Referencing assemblies | ||
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You can reference additional assemblies from the GAC or from the bin folder in your script's directory using the [#r directive](https://github.com/scriptcs/scriptcs/wiki/Writing-a-script#referencing-assemblies): | ||
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``` | ||
#r "nunit.core.dll" | ||
#r "nunit.core.interfaces.dll" | ||
var path = "UnitTests.dll"; | ||
var runner = TestSetup.GetRunner(new[] {path}); | ||
var result = runner.Run(new ConsoleListener(msg => Console.WriteLine(msg)), TestFilter.Empty, true, LoggingThreshold.All); | ||
Console.ReadKey(); | ||
``` | ||
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## What's next | ||
* Adding support for pluggable recipe "packs" for different frameworks. | ||
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## Contributing | ||
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* Read our [Contribution Guidelines](https://github.com/scriptcs/scriptcs/blob/master/CONTRIBUTING.md). | ||
* List of all [contributors to date](https://github.com/scriptcs/scriptcs/wiki/Contributors). Thanks! | ||
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## Credits | ||
* Special thanks to [@filip_woj](http://twitter.com/filip_woj) for being the inspiration behind this with his Roslyn Web API posts. | ||
* Thanks to the Roslyn team who helped point me in the right direction. | ||
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## Coordinators | ||
* Glenn Block ([@gblock](https://twitter.com/gblock)) | ||
* Justin Rusbatch ([@jrusbatch](https://twitter.com/jrusbatch)) | ||
* Filip Wojcieszyn ([@filip_woj](https://twitter.com/filip_woj)) | ||
## Samples and Documentation | ||
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Additional samples can be contributed to our [samples repository](https://github.com/scriptcs/scriptcs-samples). Documentation can be found on our [wiki](https://github.com/scriptcs/scriptcs/wiki). | ||
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## Community | ||
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Want to chat? In addition to Twitter, you can find us on [Google Groups](https://groups.google.com/forum/?fromgroups#!forum/scriptcs) and [JabbR](https://jabbr.net/#/rooms/scriptcs)! | ||
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## Coordinators | ||
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* [Glenn Block](https://github.com/glennblock) ([@gblock](https://twitter.com/intent/user?screen_name=gblock)) | ||
* [Justin Rusbatch](https://github.com/jrusbatch) ([@jrusbatch](https://twitter.com/intent/user?screen_name=jrusbatch)) | ||
* [Filip Wojcieszyn](https://github.com/filipw) ([@filip_woj](https://twitter.com/intent/user?screen_name=filip_woj)) | ||
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## Credits | ||
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* Check out the [list of developers](https://github.com/scriptcs/scriptcs/wiki/Contributors) responsible for getting scriptcs to where it is today! | ||
* Special thanks to Filip Wojcieszyn for being the inspiration behind this with his Roslyn Web API posts. | ||
* Thanks to the Roslyn team who helped point me in the right direction. | ||
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## License | ||
[Apache 2 License](https://github.com/scriptcs/scriptcs/blob/master/LICENSE.md) | ||
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[Apache 2 License](https://github.com/scriptcs/scriptcs/blob/master/LICENSE.md) |