dotnet-exec 0.4.0 released

Intro

dotnet-exec It's a C# Program command line gadgets , Can be used to run some simple C# Program without creating a project file , And you can customize the entry method of the project , Support but not limited to Main Method

Install/Update

dotnet-exec It's a dotnet tool, Can be installed using dotnet tool To install

install / Update the latest stable version ：

dotnet tool update -g dotnet-execute

Install the latest preview edition ：

dotnet tool update -g dotnet-execute --prerelease

Updates

Features

Custom Usings

stay 0.4.0 The version supports user-defined using The default will contain the default using quote , You can also customize what you want to add using

For example, the following example , Used a static using

dotnet-exec 'code:WriteLine(1+1);' --using "static System.Console"

The output is as follows ：

If this reference is not added, an error will be reported

We can also remove the default using quote , Just use “-” It's just the beginning , Like the following

The previous program that can be compiled and executed normally will fail to pass the compilation

Preview enhancement

A new version has been added --preview To simplify --lang-version=Preview Configuration of , except LangVersion Configuration , An assembly will also be added attribute [assembly:System.Runtime.Versioning.RequiresPreviewFeatures] To enable some features that are still in preview , from .NET 6 Start to support the functions with some preview features in the official release , You need to configure this for use attribute, So for preview Added this Attribute

Startup type

A new version has been added --startup-type The option to , By default, if there are multiple entries, the first one will be found ,startup-type It can help to find a more accurate entrance

Reference handling refactor

It was compiled directly before dll Loaded into the default AssemblyLoadContext, This is generally no problem

However, an error will be reported when there is an assembly version conflict , A separate... Will be used in the new version AssemblyLoadContext, And fixed the previous single use AssemblyLoadContext The problem of executing code , It is because of the above introduction Reference Assembly, Use reference assemblies at compile time , At execution time, the implementation assembly containing the implementation is replaced to execute the code , In this way, it will be easier for us to test different behaviors under the two versions

Executor refactor

0.4.0 The version of has added --executor-type, Similar to that in the previous version --compiler-type, But currently only one implementation is provided , Mainly to facilitate better expansion

Docker support

If you're not dotnet developer , Don't want to install dotnet sdk, You can also use docker To try it

docker run --rm weihanli/dotnet-exec:0.4.0 dotnet-exec "code:(1+1).Dump()"

docker

Bug fix

• Repair Linux On dotnet path The problem of

  stay Linux Default in the environment dotnet Path is not dotnet Executable file , It is a symbol link file , You need to find the corresponding real file path , Because of the code BUG As a result, it is not converted to the real file path , stay 0.4.0 Version has been fixed

  

More

at present dotnet-exec Depend on SDK Environmental Science , It needs to be improved later , It only needs Runtime The environment can , such docker Images can be much smaller , In addition, it is intended to support user-defined references , For example, quote your own dll Or designated Nuget package

References

• https://github.com/WeihanLi/dotnet-exec

• https://www.nuget.org/packages/dotnet-execute/

• https://hub.docker.com/repository/docker/weihanli/dotnet-exec