https://github.com/elliotxx/argparse

A 200-line command-line parsing library
https://github.com/elliotxx/argparse

Last synced: 6 months ago
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A 200-line command-line parsing library

• Host: GitHub
• URL: https://github.com/elliotxx/argparse
• Owner: elliotxx
• License: mit
• Created: 2019-11-29T06:41:34.000Z (almost 6 years ago)
• Default Branch: master
• Last Pushed: 2019-11-30T03:21:32.000Z (almost 6 years ago)
• Last Synced: 2025-02-16T05:41:24.604Z (8 months ago)
• Language: Go
• Size: 6.84 KB
• Stars: 1
• Watchers: 2
• Forks: 0
• Open Issues: 0
• Metadata Files:
  • Readme: README.md
  • License: LICENSE

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README

          
# argparse

A 200-line command-line parsing library

blog: [200 行代码实现一个简单的命令行解析库](http://yangyingming.com/article/456/)

## Installation

```

$ go get -u -v github.com/elliotxx/argparse

```

## Usage

```

package main

import (

  "fmt"

  "github.com/elliotxx/argparse"

)

func main() {

    isr   := argparse.Bool("r", false, "Output text in reverse order")

    n     := argparse.Int("n", -1, "Output n lines")

    ish   := argparse.Bool("h", false, "Help information")

    isH   := argparse.Bool("help", false, "Help information")

    

    err := argparse.Parse()

    if err != nil {

        fmt.Println(err)

        return

    }

    if *ish || *isH {

        argparse.Help()

        return

    }

    fmt.Printf("isr=%v, n=%d\n", *isr, *n)

}

```

Ouput:

```

$ go run cat.go -h

Usage of cat

    -h,--help	bool	Help information

    -n	int	Output n lines

    -r	bool	Output text in reverse order

```

```

$ go run cat.go -nr 10

isr=true, n=10

```