A Go CLI library that provides subcommand handling, tidy usage and version printing.
go get github.com/yieldbot/gocli
See simple.go for full code.
func init() {
// Init flags
flag.BoolVar(&usageFlag, "h", false, "Display usage")
flag.BoolVar(&usageFlag, "help", false, "Display usage")
flag.BoolVar(&versionFlag, "version", false, "Display version information")
flag.BoolVar(&versionFlag, "v", false, "Display version information")
}
func main() {
// Init cli
cli = gocli.Cli{
Name: "simple",
Version: "1.0.0",
Description: "A simple app",
Commands: map[string]string{
"echo": "Print the given arguments",
},
}
cli.Init()
// Run commands
if cli.SubCommand == "echo" {
// Echo command
fmt.Println(strings.Join(cli.SubCommandArgs, " "))
} else if versionFlag {
// Version
cli.PrintVersion(true)
} else {
// Default
cli.PrintUsage()
}
}$ go run examples/simple.go
Usage: simple [OPTIONS] COMMAND [arg...]
A simple app
Options:
-h, --help : Display usage
-v, --version : Display version information
Commands:
echo : Print the given arguments$ go run examples/simple.go -v
Bin version : 1.0.0
Go version : go1.6$ go run examples/simple.go echo hello world
hello worldLicensed under The MIT License (MIT)
For the full copyright and license information, please view the LICENSE.txt file.