How Does `go run file.go` Work in Go?

Understanding the Function of "go run file.go" in Go

The "go run" command in Go is a convenient tool that allows you to execute a Go program directly from the source file without the need for explicit compilation. Unlike "go build" and "go install," which compile the files into binary executables, "go run" does not create any binaries. Instead, it follows a two-step process:

1. Compilation:

   • "go run" compiles the specified Go source file into a temporary binary. However, unlike "go build," it does not generate a standalone executable file.

2. Execution:

   • Once the compilation is complete, "go run" immediately executes the temporary binary. This allows you to test and run your code without the need to create an explicit executable or install the program.

In summary, "go run file.go" is essentially equivalent to running the following commands in sequence:

go build X.go -o /tmp/random-tmp-folder/exe
/tmp/random-tmp-folder/exe

This approach simplifies the development workflow by allowing you to execute your code directly from the source file without the need for any additional steps or command switches.

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