cli flags

# Node.js

const yargs = require("yargs");

const { foo = "default value", qux = false } = yargs.argv;
console.log("foo:", foo);
console.log("qux:", qux);

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Output

$ node examples/cli_flags.js --foo='bar' --qux=true
foo: bar
qux: true

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# Go

package main

import (
	"flag"
	"fmt"
)

func main() {
	var foo string
	flag.StringVar(&foo, "foo", "default value", "a string var")

	var qux bool
	flag.BoolVar(&qux, "qux", false, "a bool var")

	flag.Parse()

	fmt.Println("foo:", foo)
	fmt.Println("qux:", qux)
}

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Output

$ go run examples/cli_flags.go -foo='bar' -qux=true
foo: bar
qux: true

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编辑

#Go #Node.js

上次更新: 2022/09/30, 11:34:22

← cli args stdout→