arguements01.go

/* Alta3 Research | RZFeeser
   Reading positional arguments from the command line*/
   
package main

import (
    "fmt"
    "os"
)

func main() {

    // os.Args provides access to raw CLI arguments
    argsWithProg := os.Args         // includes program name
    
    argsWithoutProg := os.Args[1:]  // does not include program name

    arg := os.Args[3]               // select the 3rd argument
                                    // remember: the 1st argument is the name
                                    //           of the program

    last_arg := os.Args[len(os.Args)-1]         // select the last argument         // select the last argument

    // display the results
    fmt.Println("All arguments, including the program name:")
    fmt.Println(argsWithProg)
    
    fmt.Println("All arguments, (without the program name:")
    fmt.Println(argsWithoutProg)
    
    // select "just" the 3rd argument
    fmt.Println(arg)
    
    // display the last argument
    fmt.Println(last_arg)
}