[TD-5466]<fix> handle invalid Escapes

src/kit/shell/src/shellEngine.c

@@ -254,9 +254,13 @@ int32_t shellRunCommand(TAOS* con, char* command) {
     }
 
     if (c == '\\') {
+      if (quote != 0 && (*command == '_' || *command == '\\')) {
+        //DO nothing 
+      } else {
         esc = true;
         continue;
       }
+    }
 
     if (quote == c) {
       quote = 0;

src/util/src/tcompare.c

@@ -262,6 +262,7 @@ int patternMatch(const char *patterStr, const char *str, size_t size, const SPat
     c1 = str[j++];
     
     if (j <= size) {
+      if (c == '\\' && patterStr[i] == '_' && c1 == '_') { i++; continue; }
       if (c == c1 || tolower(c) == tolower(c1) || (c == pInfo->matchOne && c1 != 0)) {
         continue;
       }