Merge pull request #104 from marco-m/subcommands-usage-simple

Subcommands usage simple

1 files changed, 6 insertions, 0 deletions

diff --git a/usage.go b/usage.go
index 57935fd..7ee68da 100644
--- a/usage.go
+++ b/usage.go
@@ -88,6 +88,12 @@ func (p *Parser) writeUsageForCommand(w io.Writer, cmd *command) {
 			fmt.Fprint(w, spec.placeholder)
 		}
 	}
+
+	// if the program supports subcommands, give a hint to the user about their existence
+	if len(cmd.subcommands) > 0 {
+		fmt.Fprint(w, " <command> [<args>]")
+	}
+
 	fmt.Fprint(w, "\n")
 }