From 7a0f61e6a578f0180d64bf62edeb2289043bdbf4 Mon Sep 17 00:00:00 2001
From: luyanbo <robert.lyb@alibaba-inc.com>
Date: Mon, 11 Oct 2021 01:28:57 +0800
Subject: [PATCH] support -f example

---
 command.go | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/command.go b/command.go
index ab6ec45a..c46885df 100644
--- a/command.go
+++ b/command.go
@@ -603,6 +603,11 @@ Loop:
 				args = args[1:]
 				continue
 			}
+		case strings.HasPrefix(s, "-") && !strings.Contains(s, "=") && len(s) == 2 && shortHasNoOptDefVal(s[1:], flags):
+			// If '-f' then
+			// delete '-f' from args or break the loop if len(args) <= 1.
+			beforeArgs = append(beforeArgs, s)
+			continue
 		case s != "" && !strings.HasPrefix(s, "-"):
 			command = s
 			afterArgs = args