The Go CLI Playbook

Question 1

How many programs do you need to develop in go?

Answer 1

Only one: go cli

Question 2

How to get help on a specific command?

Answer 2

go help

Question 3

How to run a single go file? What are the two things it requires to run?

Answer 3

go run .

Requires a func main() and all dependencies needs to be acessible.

Question 4

What is the effect of the go build command in a module and in the main file?

Answer 4

Only compiles the module. Builds and generates an executable.

Question 5

Where is the binary saved by default?

Answer 5

In the working dir

Question 6

what command runs tests? does it support defining specific names with wildcards such as *?

Answer 6

go test -run ./Module*

yes

Question 7

How to print the go environment variables? How to print in json format?

Answer 7

go env

go env -json

Question 8

how to add a package to the module? Should you add the url schema to it (e.g: https)? What is the most common form?

Answer 8

go get github.com/nathan-osman/go-sunrise
NO
go install github.com/nathan-osman/go-sunrise