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package main

import (
	"fmt"
	"os"
)

func main() {
	argsWithProg := os.Args
	argsWithoutProg := os.Args[1:]

	arg := os.Args[3]

	fmt.Printf("%#v,%T\n", argsWithProg, argsWithProg)
	fmt.Printf("%v,%T\n", argsWithoutProg, argsWithoutProg)
	fmt.Printf("%v,%T\n", arg, arg)
}

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PS D:\Dev\Go\byExample\command_line_arguments> .\main.exe a b c d
[]string{"D:\\Dev\\Go\\byExample\\command_line_arguments\\main.exe", "a", "b", "c", "d"},[]string
[a b c d],[]string
c,string