..or two
cli := quicli.Cli{Usage:"SayToTheWorld [flags]",Description: "Say Hello... or not. If you want to make the world aware of it you also could",Flags: quicli.Flags{{Name: "count", Default: 1, Description: "how many times I want to say it. Sometimes repetition is the key"},{Name: "say", Default: "hello", Description: "say something. If you are polite start with a greeting"},{Name: "world", Description: "announce it to the world"},},}
cfg := cli.Parse()With this code you obtain the following help message:
Say Hello... or not. If you want to make the world aware of it you also could
Usage: SayToTheWorld [flags]
--count -c how many times I want to say it. Sometimes repetition is the key. (default: 1)
--say -s say something. If you are polite start with a greeting. (default: "hello")
--world -w announce it to the world. (default: false)
Use "./sayhello --help" for more information about the command.
Pretty indented version
cli := quicli.Cli{
Usage: "SayToTheWorld [flags]",
Description: "Say Hello... or not. If you want to make the world aware of it you also could",
Flags: quicli.Flags{
{Name: "count", Default: 1, Description: "how many times I want to say it. Sometimes repetition is the key"},
{Name: "say", Default: "hello", Description: "say something. If you are polite start with a greeting"},
{Name: "world", Description: "announce it to the world"},
},
}
cfg := cli.Parse()Real one-liner (Parse and run)
quicli.Run(quicli.Cli{Usage:"SayToTheWorld [flags]",Description: "Say Hello... or not. If you want to make the world aware of it you also could",Flags: quicli.Flags{{Name: "count", Default: 1, Description: "how many times I want to say it. Sometimes repetition is the key"},{Name: "say", Default: "hello", Description: "say something. If you are polite start with a greeting"},{Name: "world", Description: "announce it to the world"},},Function: SayHello,})You want a subcommand pattern?! okay
cli := quicli.Cli{
Usage: "SayToTheWorld [command] [flags]",
Description: "Say Hello... or not. If you want to make the world aware of it you also could",
Flags: quicli.Flags{
{Name: "count", Default: 1, Description: "how many times I want to say it. Sometimes repetition is the key"},
{Name: "foreground", Description: "change foreground background", ForSubcommand: quicli.SubcommandSet{"color"}},
{Name: "say", Default: "hello", Description: "say something. If you are polite start with a greeting"},
{Name: "world", Description: "announce it to the world"},
{Name: "surprise", Description: "you will see my friend", ForSubcommand: quicli.SubcommandSet{"toto", "color"}, NotForRootCommand: true},
},
Function: Main,
Subcommands: quicli.Subcommands{
{Name: "color", Description: "print coloured message", Function: Color},
{Name: "toto", Description: "??", Function: Toto},
},
}
cli.RunWithSubcommand()cfg.GetIntFlag("count") // get the --count flag value
// or alternatively
cfg.GetIntFlag("c")Get more examples
The library is a wrapper of the built-in go flag package. It should only be used to quickly built CLI and it is not intented for complex CLI usage.