func exitError: simplify

backup_new.sh

@@ -36,15 +36,8 @@ badParam () {
 }
 
 exitError () {
-    errCode="error_$1"
-    eval errReport='$'"$errCode"
-    if [ -n "$errReport" ]; then
-        printf "${err}[%s] -- [ERROR] %s: %s --${norm}\n" \
-            "$(stamp)" "$1" "$errReport" >> "$logFile"
-    else
-        printf "${err}[%s] -- [ERROR] Unknown error code reported --${norm}\n" \
-            "$(stamp)" >> "$logFile"
-    fi
+    printf "${err}[%s] -- [ERROR] %s: %s --${norm}\n" \
+            "$(stamp)" "$1" "$2" >> "$logFile"
     exit "$1"
 }