Linux Learning Notes (2): Dart

Linux Learning Notes (2): DartTonight, I will continue to try Dart on Ubuntu. I had forgotten the system password, but fortunately, after a few attempts, I was able to log back into the Linux system.In Ubuntu, I will try to compile Dart. After consulting some materials, I found that compiling Dart on Linux generates a Linux ELF executable file. This file will appear with an exe suffix. Isn’t that strange? It’s my first time seeing this, but it is not for Windows; the exe is just a naming convention.Linux Learning Notes (2): DartThe test code for Dart is as follows.

void main() {  print('Hello, World!');}

The command line used for compilation is as follows:

dart compile exe main.dart

After compilation, an exe file will appear. In the terminal, executing ./main.exe will produce the output result.Linux Learning Notes (2): DartIt is also very simple to use. It is quite similar to Rust and Go, which can package executable files for the corresponding platforms.Next, I will try to place the command in the /usr/local/bin directory, which can be used as a command line execution. I will compile and hide the exe naming. The command line is as follows.

dart compile exe main.dart -o hello  # Compile hello executable

Linux Learning Notes (2): DartIf you encounter permission issues when directly copying with ctrl+c/ctrl+v, you need to use administrator privileges to move it.Linux Learning Notes (2): Dart

sudo mv hello /usr/local/bin/  # Move the file to the bin directory

At this point, you can directly execute hello in the terminal to print the corresponding output.Linux Learning Notes (2): DartThis is also similar to shell, where you can add corresponding commands for execution. By querying the corresponding directory /usr/local/bin, you can see the location of the command execution. You can also see the corresponding permissions.-rwxrwxr-x Linux Learning Notes (2): DartSummary:The above is tonight’s small experiment. Currently, AI is very convenient and can output the desired results according to one’s intentions, such as writing a CLI or scheduling corresponding service executions. However, it is also necessary to practice. At least after hands-on experience, you will encounter some situations that differ from AI descriptions or discover some issues, such as permissions, etc.Alright, that’s it for tonight’s small experiment. See you next time.

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