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I am doing a little scripting and i find sometime more power would be nice. Like the ability to keep trying to delete a file with a 1sec delay AND have it portable. I spent some time today translating a bat script to bash. I know i can use php or python but i VERY MUCH PREFER static/compile time checking.

Is there a way to run C# code as a script? As long as i can edit the source quickly (like in a notepad) and run it simply then i'll be happy.

I am hoping i dont have to create a custom ext and write a app to dynamically compile and execute the script (i know have source to compile .js somewhere...). Does anyone know of a solution?

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    There's PowerShell if you want access to the .NET library (as well as a bunch of commandlets). F# also has an interactive mode which will give you access to .NET libraries from a console. Either of those seems like a more straight forward solution than compiling C# on the fly. Commented May 28, 2010 at 6:08
  • I am not sure I follow your question. You want to be able to "edit the source quickly and run it", but you "prefer static/compile time checking". Do you want a language that is interpreted or one that is compiled? Commented May 28, 2010 at 7:07
  • you could use either csscript or linqpad as answered. I use csscript for every complex batch Commented Jan 3, 2014 at 8:11

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Well there's CS-Script. http://csscript.net/

Haven't used it much myself though.

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> copy con cs.bat
csc -o OUTPUT.exe %1
OUTPUT.exe
del OUTPUT.exe
^Z
> cs somefile.cs

Here is a better version of a batch file:

@echo off
echo using System; class P { static void Main() { > foo.cs
type %1 >> foo.cs
echo }} >> foo.cs
csc /nologo /out:foo.exe foo.cs
del foo.cs
foo.exe
del foo.exe

So you have some file called foo.txt:

Console.WriteLine("Hello world");

Invoke it like:

cs.bat foo.txt
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I might very well do this if i get sick of writing namespaces or if i feel like having built in functions.
@leppie thanks for this, I've used your code as a base for a handy batch file of my own: gist.github.com/3018417
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Mono has CsharpRepl which is an interactive shell for C#

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2

Whenever I need to execute a small snippet to perform something in C# I just fire up LinqPad.

Perhaps it includes a bit to much for simply small scripts but it beats making a new console project every time.

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There is a shell developed by mono project developers name CsharpRepl. I have never tried, but it seems very interesting.

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