gokultp/go-envparser

package commands

var (
    genCmd     = NewGenerate()
    helpCmd    = NewHelp()
    versionCmd = NewVersion()
)

// initializes when package initializes
func init() {
    genCmd.InitFlags()
    helpCmd.InitFlags()
    versionCmd.InitFlags()
}

// GetCmd will get command by flags
func GetCmd(args []string) Command {
    if len(args) == 0 {
        return helpCmd
    }
    switch args[0] {
    case "generate":
        genCmd.ParseFlags(args[1:])
        return genCmd
    case "version":
        return versionCmd
    default:
        return helpCmd
    }
}