| package main | |
| import ( | |
| "fmt" | |
| "os" | |
| "os/exec" | |
| ) | |
| func main() { | |
| if len(os.Args) == 1 { | |
| fmt.Println("oops! try again") | |
| os.Exit(1) | |
| } | |
| url := os.Args[1] | |
| cmd := exec.Command("curl", "-s", url) | |
| output, err := cmd.CombinedOutput() | |
| if err != nil { | |
| fmt.Println("Error:", err) | |
| fmt.Println("Output:", string(output)) | |
| return | |
| } | |
| fmt.Println(string(output)) | |
| // iteration: 2 | |
| // NOT using exec.Command | |
| // Still, same output | |
| // { | |
| // "userId": 1, | |
| // "id": 1, | |
| // "title": "sunt aut facere repellat provident occaecati excepturi optio reprehenderit", | |
| // "body": "quia et suscipit\nsuscipit recusandae consequuntur expedita et cum\nreprehenderit molestiae ut ut quas totam\nnostrum rerum est autem sunt rem eveniet architecto" | |
| // } | |
| } | |
| // how to execute: | |
| // create a go.mod | |
| // $ go mod init curly | |
| // for every change: | |
| // $ go build ./... | |
| // or | |
| // $ go install ./... | |
| // run: | |
| // $ ./curly <url> | |
| // or | |
| // $ curly <url> |
https://spf13.com/presentation/building-an-awesome-cli-app-in-go-oscon/
https://go.dev/doc/effective_go
https://exercism.org/tracks/go
https://quii.gitbook.io/learn-go-with-tests
https://www.youtube.com/@JustForFunc/videos
https://www.youtube.com/@golang
https://gist.github.com/knbr13/d01441f6ea2c1af94c7e7d98ea190fae/
https://medium.com/eureka-engineering/understanding-allocations-in-go-stack-heap-memory-9a2631b5035d