cli

A flag parse library with support for commands and subcommands.

Install

go get github.com/goombaio/cli

You can also update an already installed version:

go get -u github.com/goombaio/cli

Example of use

package main

import (
    "fmt"
    "os"

    "github.com/goombaio/cli"
)

func main() {
    rootCommand := cli.NewCommand("programName")
    rootCommand.Run = func() error {
        if len(rootCommand.Args()) == 0 {
            rootCommand.Usage()
        }

        return nil
    }

    err := rootCommand.Execute()
    if err != nil {
        fmt.Println("ERROR:", err)
        os.Exit(1)
    }
    // Output:
    // usage: programName [-help] <command> <args>
    //
    // Flags:
    //   -h, -help  Show help
    //
    // Use programName [command] -help for more information about a command
}

License

Copyright (c) 2018 Goomba project Authors.

Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at

http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.