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-rw-r--r--usage.go7
1 files changed, 7 insertions, 0 deletions
diff --git a/usage.go b/usage.go
index 57935fd..b07280b 100644
--- a/usage.go
+++ b/usage.go
@@ -88,6 +88,13 @@ func (p *Parser) writeUsageForCommand(w io.Writer, cmd *command) {
fmt.Fprint(w, spec.placeholder)
}
}
+
+ // if the program supports subcommands and the command-line doesn't contain any,
+ // give a hint to the user about the existence of these subcommands.
+ if len(p.cmd.subcommands) > 0 && p.cmd == cmd {
+ fmt.Fprint(w, " <command> [<args>]")
+ }
+
fmt.Fprint(w, "\n")
}