如何在Golang中借助标志使用随机参数

Question

I want the input from the console to be of anonymous parameters. My current way of execution is

./app -infc=eth0 -ip=192.168.0.1

I don't want this as I need this app to be universal so that I can use it for other purposes as well.

I want the CLI to be like this

./app -firstparam={{infc},eth0} -secondparam={{ip},192.168.0.1}

So this should basically work by reading the two columns in the parameters.

So it should parse the parameters as a an internal key value pair

Need help on how to store each of the parameter as a key value pair and later use them individually

Answer 1

Here's a barebones example to give you an idea how to process os.Args

$ go run main.go --foo asdf --bar xxx --baz ccc
map[--foo:asdf --bar:xxx --baz:ccc]
jsandrew-Mac:osarg jsandrew$ cat main.go
package main

import (
    "fmt"
    "os"
)

func manyRandomArg() map[string]string {
    rv := make(map[string]string)
    for ix, x := range os.Args {
        if x[:2] == "--" {
            rv[x] = os.Args[ix+1]
        }
    }
    return rv
}

func main() {
    fmt.Printf("%v
", manyRandomArg())
}