From f586fea8213fc8d9ffda2a1199fdc0a74dc95daa Mon Sep 17 00:00:00 2001
From: =?utf8?q?Vin=C3=ADcius=20R=2E=20Miguel?= <lemao.vrm07@hotmail.com>
Date: Thu, 4 Jun 2020 21:23:58 -0300
Subject: [PATCH] Small change to show_history

---
 Sources/opsys.cpp | 14 ++++++--------
 1 file changed, 6 insertions(+), 8 deletions(-)

diff --git a/Sources/opsys.cpp b/Sources/opsys.cpp
index 1726cff..9307fb0 100644
--- a/Sources/opsys.cpp
+++ b/Sources/opsys.cpp
@@ -199,16 +199,14 @@ short OpSys::piped_command(vector<string> tokens, int pipe_count)
 
 void OpSys::show_history()              // TODO: save (and read) history on a file? use Bourne Again's history??
 {
-    unsigned short i = 0, j;
+    unsigned short i = 0;
     for(vector<string> command : history)
     {
-        string command_str = "";
-        for(j=0; j<command.size()-1; j++)
-        {
-            command_str += command[j] + ' ';
-        }
-        command_str += command.back();
-        printf("%-20hu\t%s\n", (unsigned short) i++,  command_str.c_str());  // You may think this is unoptimized... which would actually be quite true.
+        string command_str;
+        for(string command_part : command)
+            command_str += command_part + ' ';
+
+        printf("%-20hu\t%s\n", (unsigned short) i++,  command_str.c_str());
     }
     fflush(stdout);
 }
-- 
2.11.4.GIT