https://www.programming-books.io/
https://www.sohamkamani.com/blog/2017/10/18/parsing-json-in-golang/
https://golang.org/ref/spec#Short_variable_declarations
https://gobyexample.com/writing-files
https://blog.kowalczyk.info/article/wOYk/advanced-command-execution-in-go-with-osexec.html