From e0ee742e26969388065013206b9fbc2492dccd70 Mon Sep 17 00:00:00 2001
From: Ian Kelling <iank@fsf.org>
Date: Thu, 14 Oct 2021 08:46:04 -0400
Subject: [PATCH] fix variable printing for newer bash

---
 err | 14 ++++++++------
 1 file changed, 8 insertions(+), 6 deletions(-)

diff --git a/err b/err
index 76f3939..2a4077f 100644
--- a/err
+++ b/err
@@ -153,7 +153,7 @@ err-exit() {
 
   ## Begin printing vars from within BASH_COMMAND ##
   local _var _chars _l
-  local -a _vars
+  local -A _vars
   while [[ $_cmdr ]]; do
     _chars="${#_cmdr}"
     _cmdr="${_cmdr#*$}"
@@ -165,16 +165,18 @@ err-exit() {
     if [[ ! $_var || $_var == [0-9]* ]]; then
       continue
     fi
-    _vars+=("${_var}=*")
+    _vars[${_var}]=t
   done
+  #echo "iank ${_vars[*]}"
+  #set |& grep ^password
   # in my small test, this took 50% longer than piping to grep.
   # That seems a small enough penalty to stay in bash here.
   if (( ${#_vars[@]} )); then
     set |& while read -r _l; do
-             for _var in "${_vars[@]}"; do
-               if [[ $_l == "$_var" ]]; then
-                 printf "%s\n" "$_l" >&2
-               fi
+             for _var in "${!_vars[@]}"; do
+               case $_l in
+                 ${_var}=*) printf "%s\n" "$_l" >&2 ;;
+               esac
              done
            done
   fi
-- 
2.25.1