From 0997d2763b39a2933ea6b7c60573e369cb60b843 Mon Sep 17 00:00:00 2001
From: weilinfox <weilin.king@qq.com>
Date: Wed, 11 Mar 2020 18:16:42 +0800
Subject: [PATCH] add sys mode for bc

---
 worker/bc.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/worker/bc.py b/worker/bc.py
index f20b9ab..bf5f3ec 100644
--- a/worker/bc.py
+++ b/worker/bc.py
@@ -366,7 +366,8 @@ def funMain (ch):
 def sysbc (arg):
     try:
         arg = arg.replace("\'", "")
-        arg = "echo \'\'\'" + arg + "\'\'\' | bc"
+        arg = "echo '''" + arg + "''' | bc"
+        #print(arg)
         ret = subprocess.run(arg, shell = True, stdout = subprocess.PIPE, stderr = subprocess.STDOUT, check = True, timeout = 1)
         return bytes.decode(ret.stdout).replace("\n", "")
     except subprocess.TimeoutExpired: