\n <\/p>\n

I wrote a Tiny Digital Working System<\/a> for a 300-level OS class in C# for faculty again in 2001 (?) and later moved it to VB.NET in 2002<\/a>. That is all pre-.NET Core, and on early .NET 1.1 or 2.0 on Home windows. I moved it to GitHub 5 years in the past<\/a> and ported it to .NET Core 2.0 on the time<\/a>. At this level it was 15 years previous, so it was cool to see this undertaking operating on Home windows, Linux, in Docker, and on a Raspberry Pi…a machine that did not exist when the undertaking was initially written.<\/p>\n

NOTE: <\/strong>If the timeline is complicated, I had already been working in business for years at this level however was nonetheless plugging away at my 4 yr diploma at evening. It will definitely took 11 years to finish my BS in Software program Engineering.<\/p>\n<\/blockquote>\n

This night, as the kids slept, I needed to see if I may run the .NET Improve Assistant<\/a> on this now 20 yr previous app and get it operating on .NET 6. <\/p>\n

Let’s begin:<\/p>\n

$ upgrade-assistant improve .TinyOS.sln-----------------------------------------------------------------------------------------------------------------Microsoft .NET Improve Assistant v0.3.256001+3c4e05c787f588e940fe73bfa78d7eedfe0190bdWe're eager about your suggestions! Please use the next hyperlink to open a survey: https:\/\/aka.ms\/DotNetUASurvey-----------------------------------------------------------------------------------------------------------------<\/p>
[22:58:01 INF] Loaded 5 extensions[22:58:02 INF] Utilizing MSBuild from C:Program Filesdotnetsdk6.0.100[22:58:02 INF] Utilizing Visible Studio set up from C:Program FilesMicrosoft Visible Studio2022Preview [v17][22:58:06 INF] Initializing improve step Choose an entrypoint[22:58:07 INF] Setting entrypoint to solely undertaking in resolution: C:UsersscottTinyOSsrcTinyOSCoreTinyOSCore.csproj[22:58:07 INF] Recommending executable TFM net6.0 as a result of the undertaking builds to an executable[22:58:07 INF] Initializing improve step Choose undertaking to improve[22:58:07 INF] Recommending executable TFM net6.0 as a result of the undertaking builds to an executable[22:58:07 INF] Recommending executable TFM net6.0 as a result of the undertaking builds to an executable[22:58:07 INF] Initializing improve step Again up undertaking<\/p><\/pre>\n
See how the method is interactive on the command line, with coloration prompts and a collection of dynamic multiple-choice questions?<\/p>\n<\/figure>\nCuriously, it builds on the primary strive, no errors.<\/p>\n
After I manually have a look at the .csproj I can see some bizarre model numbers, seemingly from some not-quite-baked model of .NET Core 2 I used a few years in the past. My spidey sense says that is incorrect, and I am assuming the improve assistant did not perceive it. <\/p>\n    \n<\/pre>\nI additionally observe a commented-out reference to ILLink.Duties which was a preview characteristic in Mono’s Linker to scale back the ultimate dimension of apps and tree-trim them. A few of that performance is constructed into .NET 6 now so I am going to use that throughout the construct and packaging course of later. The reference isn’t wanted as we speak.<\/p>\nI am gonna blindly improve them to .NET 6 and see what occurs. I may do that by simply altering the numbers and seeing if it restores and builds, however I may also strive dotnet outdated<\/a> which stays a stunning software within the upgrader’s toolkit.<\/p>\n
<\/figure>\nThis “outdated” software is good because it talks to NuGet and confirms that there are newer variations of sure packages.<\/p>\n
In my checks – which had been simply batch recordsdata at this early time – I used to be calling my dotnet app like this:<\/p>\ndotnet netcoreapp2.0\/TinyOSCore.dll 512 scott13.txt  <\/pre>\nThis may change to the fashionable kind with simply TinyOSCore.exe 512 scott13.txt<\/code> with an exe and args and no ceremony.<\/p>\n
Publishing and trimming my TinyOS turns into only a 15 meg EXE. Good contemplating that the .NET I want is in there with no separate set up. I may flip this little artificial OS right into a microservice if I needed to be completely additional.<\/p>\ndotnet publish -r win-x64 --self-contained -p:PublishSingleFile=true -p:SuppressTrimAnalysisWarnings=true<\/pre>\nIf I add <\/p>\n-p:EnableCompressionInSingleFile=true<\/pre>\nThen it is even smaller. No code adjustments. Run all my checks, seems good. My undertaking from college from .NET 1.1 is now .NET 6.0, cross platform, self-contained in 11 megs in a single EXE. Candy.<\/p>\n\nSponsor: <\/strong>At Rocket Mortgage\u00ae the work you do round right here can be 100% impactful however gained\u2019t take all of your free time, supplying you with the proper work-life stability. Or as we name it, tech\/life stability! Study extra.<\/a><\/p>\n

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\n\nAbout Scott<\/h4>\n\nScott Hanselman is a former professor, former Chief Architect in finance, now speaker, advisor, father, diabetic, and Microsoft worker. He’s a failed stand-up comedian, a cornrower, and a ebook writer.<\/p>\n                        <\/a>
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