Golang golang-flag (snippet)

Go programming example 'golang-flag'

golang-flag

Golang beginners example: golang-flag

package main

import (
    "flag"
    "fmt"
)

func main() {
    var arg1 int
    var arg2 string
    var arg3 float64
    flag.IntVar(&arg1, "a", 0, "first argument (int)")
    flag.StringVar(&arg2, "b", "lorem", "second argument (string)")
    flag.Float64Var(&arg3, "c", 13.37, "third argument (float)")
    flag.Parse()
    fmt.Printf("flag input was: \n\targ1: %v\n\targ2: %v\n\targ3: %v\n\n", arg1, arg2, arg3)
}

Useful links

• Learn Go: https://golangr.com
• Download Go: https://golang.org