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Programming language: Go
License: MIT License
Tags: Command Line     Standard CLI    
Latest version: v1.7.37

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README

cmdr

Build Status Go GitHub tag (latest SemVer) GoDoc FOSSA Status go.dev Go Report Card codecov Coverage Status Mentioned in Awesome Go <!-- https://gowalker.org/github.com/hedzr/cmdr -->

cmdr is a POSIX/GNU style, command-line UI (CLI) Go library. It is a getopt-like parser of command-line options, be compatible with the getopt_long command line UI, which is an extension of the syntax recommended by POSIX.

There are couples of enhancements beyond the standard library flag.

There is a full Options Store (configurations) for your hierarchy configuration data too.

ee99d078e2f7 <!-- built by https://ezgif.com/ -->

To review the image frames, go surfing at https://github.com/hedzr/cmdr/issues/1#issuecomment-567779978

Table of Contents

<!-- Created by gh-md-toc -->

Youtube - 李宗盛2013最新單曲 山丘 官方完整版音檔 / Jonathan Lee - Hill CHT + ENU

Import

The better choice is importing with go-modules enabled:

import "github.com/hedzr/cmdr"

See our extras:

News

  • docs (WIP):

  • v1.7.27

    • added: WithHelpScreenHooks, GetRemainArgs, ...
    • improved: WithPagerEnabled, InTesting, ...
    • fixed: missed initializing for logger-level in Option Store sometimes.
    • tests
  • v1.7.25

    • New feature: loading command definition from config file
    • fixed bugs
  • v1.7.23

    • A new feature: the builtin pluggable cmdr-addon/plugin. make build && bin/fluent --help && bin/fluent dx
    • added: WithPluginLocations(locations...), WithExtensionsLocations(locations...)
  • v1.7.21

  • v1.7.11

    • update: new log.Logger instance in log.GetLogger
    • fixed: ReadPassword in windows
  • v1.7.10

    • fixed: too much empty lines in help screen
  • v1.7.9

    • right align multi-lines desc string in help screen
    • added new envvars: HELP, NO_COLOR (HELP=1 app some sub cmd == app some sub cmd --help)
  • v1.7.8

    • tabStop in help screen will be autosize now
    • deprecated at next minor release (v1.8+): WithHelpTabStop()
    • deprecated at next minor release (v1.8+): plugins/daemon
    • BREAK: some two methods in the interface Painter has been changed.
  • v1.7.7

    • update deps to improve logging supports
    • deprecated: WithLogex(), as its replacement, WithLogx() has a better generic logging interface (hedzr/log.Logger)
  • v1.7.6:

    • using hedzr/log and remove other logging dependencies.
    • added WithLogx(logger): integrating with your logger (via log.Logger interface)
  • v1.7.5:

    • move some helper function to tool sub-package
  • For more information to refer to [CHANGELOG](./CHANGELOG)

Features

[Features.md](old/Features.md)

Old README.md: [README.old.md](old/README.old.md)

For Developer

[For Developer](old/Developer.md)

Examples

  1. [short](./examples/short/README.md)
    simple codes with structured data style.

  2. [demo](./examples/demo/README.md)
    normal demo with external config files.

  3. [wget-demo](./examples/wget-demo/README.md)
    partial-covered for GNU wget.

  4. [fluent](./examples/fluent)
    demostrates how to define your command-ui with the fluent api style.

  5. [ffmain](./examples/ffmain)

a demo to show you how to migrate from go flag smoothly.

  1. cmdr-http2
    http2 server with daemon supports, graceful shutdown

  2. awesome-tool
    awesome-tool is a cli app that fetch the repo stars and generate a markdown summary, accordingly with most of awesome-xxx list in github (such as awesome-go).

See Also the examples index: [Examples.md](old/Examples.md) (zh-cn TODO: [Examples.zh-cn.md](old/Examples.zh-cn.md))

Uses

Contrib

Feel free to issue me bug reports and fixes. Many thanks to all contributors.

Thanks to JODL

JODL (JetBrains OpenSource Development License) is good:

goland jetbrains

License

MIT

FOSSA Status


*Note that all licence references and agreements mentioned in the cmdr README section above are relevant to that project's source code only.