Add PostDescription

acmd.go

@@ -51,6 +51,9 @@ type Config struct {
 	// AppDescription is an optional description. default is empty.
 	AppDescription string
 
+	// PostDescription of the command. Is shown after a help.
+	PostDescription string
+
 	// Version of the application.
 	Version string
 
@@ -301,6 +304,9 @@ func defaultUsage(w io.Writer) func(cfg Config, cmds []Command) {
 		fmt.Fprintf(w, "Usage:\n\n    %s <command> [arguments...]\n\nThe commands are:\n\n", cfg.AppName)
 		printCommands(w, cmds)
 
+		if cfg.PostDescription != "" {
+			fmt.Fprintf(w, "%s\n\n", cfg.PostDescription)
+		}
 		if cfg.Version != "" {
 			fmt.Fprintf(w, "Version: %s\n\n", cfg.Version)
 		}

example_test.go

@@ -57,12 +57,13 @@ func ExampleRunner() {
 	}
 
 	r := acmd.RunnerOf(cmds, acmd.Config{
-		AppName:        "acmd-example",
-		AppDescription: "Example of acmd package",
-		Version:        "the best v0.x.y",
-		Output:         testOut,
-		Args:           testArgs,
-		Usage:          nopUsage,
+		AppName:         "acmd-example",
+		AppDescription:  "Example of acmd package",
+		PostDescription: "Best place to add examples",
+		Version:         "the best v0.x.y",
+		Output:          testOut,
+		Args:            testArgs,
+		Usage:           nopUsage,
 	})
 
 	if err := r.Run(); err != nil {
@@ -97,11 +98,12 @@ func ExampleHelp() {
 	}
 
 	r := acmd.RunnerOf(cmds, acmd.Config{
-		AppName:        "acmd-example",
-		AppDescription: "Example of acmd package",
-		Version:        "the best v0.x.y",
-		Output:         testOut,
-		Args:           testArgs,
+		AppName:         "acmd-example",
+		AppDescription:  "Example of acmd package",
+		PostDescription: "Best place to add examples.",
+		Version:         "the best v0.x.y",
+		Output:          testOut,
+		Args:            testArgs,
 	})
 
 	if err := r.Run(); err != nil {
@@ -122,6 +124,8 @@ func ExampleHelp() {
 	//     status            prints status of the system
 	//     version           shows version of the application
 	//
+	// Best place to add examples.
+	//
 	// Version: the best v0.x.y
 }