From 6bde3438c6c0d53f1241fd52d279e487ce0e5cb4 Mon Sep 17 00:00:00 2001
From: William Melody <hi@williammelody.com>
Date: Sun, 17 May 2020 10:34:59 -0700
Subject: [PATCH] Don't use $/${} with arithmetic variables.

ShellCheck SC2004
https://github.com/koalaman/shellcheck/wiki/SC2004
---
 hosts | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/hosts b/hosts
index 000f2b7..8b6e506 100755
--- a/hosts
+++ b/hosts
@@ -412,7 +412,7 @@ _print_entries() {
     fi
   done <<< "${_input}"
 
-  _max_divided="$((${_max_length} / 8))"
+  _max_divided="$((_max_length / 8))"
 
   while IFS=$'\t ' read -r -a _parts
   do
@@ -423,7 +423,7 @@ _print_entries() {
     fi
 
     _current_divided=$((${#_parts[0]} / 8))
-    _tab_count=$((${_max_divided} - ${_current_divided} + 1))
+    _tab_count=$((_max_divided - _current_divided + 1))
     _tabs="$(printf "%*s" ${_tab_count} | tr " " '\t')"
 
     if [[ -n "${_parts[2]:-}" ]]