main.go 源码
// Copyright © 2018 Inanc Gumus
// Learn Go Programming Course
// License: https://creativecommons.org/licenses/by-nc-sa/4.0/
//
// For more tutorials : https://learngoprogramming.com
// In-person training : https://www.linkedin.com/in/inancgumus/
// Follow me on twitter: https://twitter.com/inancgumus
package main
import (
"fmt"
"os"
)
func main() {
var (
args = os.Args
l = len(args) - 1
)
if l == 0 {
fmt.Println("Give me args")
} else if l == 1 {
fmt.Printf("There is one: %q\n", args[1])
} else if l == 2 {
fmt.Printf(
`There are two: "%s %s"`+"\n",
args[1], args[2],
)
} else {
fmt.Printf("There are %d arguments\n", l)
}
}
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