From cf88f285198e7f6ab19db592eeda4dcbfbb2909b Mon Sep 17 00:00:00 2001
From: qinyuguang <qinyuguang@gmail.com>
Date: Mon, 3 Aug 2020 21:00:02 +0800
Subject: [PATCH] gcmd.Scanf supports read line that contains whitespace

---
 os/gcmd/gcmd_scan.go | 20 +++++++++++---------
 1 file changed, 11 insertions(+), 9 deletions(-)

diff --git a/os/gcmd/gcmd_scan.go b/os/gcmd/gcmd_scan.go
index c2c528a68..492c668f0 100644
--- a/os/gcmd/gcmd_scan.go
+++ b/os/gcmd/gcmd_scan.go
@@ -17,18 +17,20 @@ import (
 
 // Scan prints <info> to stdout, reads and returns user input, which stops by '\n'.
 func Scan(info ...interface{}) string {
-	var s string
 	fmt.Print(info...)
+	return readline()
+}
+
+// Scanf prints <info> to stdout with <format>, reads and returns user input, which stops by '\n'.
+func Scanf(format string, info ...interface{}) string {
+	fmt.Printf(format, info...)
+	return readline()
+}
+
+func readline() string {
+	var s string
 	reader := bufio.NewReader(os.Stdin)
 	s, _ = reader.ReadString('\n')
 	s = gstr.Trim(s)
 	return s
 }
-
-// Scanf prints <info> to stdout with <format>, reads and returns user input, which stops by '\n'.
-func Scanf(format string, info ...interface{}) string {
-	var s string
-	fmt.Printf(format, info...)
-	fmt.Scanln(&s)
-	return s
-}