From ba7db3edda2c3d4e8265d2c5302b973d6541afd8 Mon Sep 17 00:00:00 2001
From: David Robles <master-nevi@users.noreply.github.com>
Date: Wed, 9 Oct 2019 08:08:05 -0700
Subject: [PATCH] Use more widely supported options for the "tr" command line
 utility by removing the use of the character class representation option.
 Fixes #2536

---
 dnsapi/dns_freedns.sh | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/dnsapi/dns_freedns.sh b/dnsapi/dns_freedns.sh
index e76e6495..bb80dc44 100755
--- a/dnsapi/dns_freedns.sh
+++ b/dnsapi/dns_freedns.sh
@@ -303,7 +303,7 @@ _freedns_domain_id() {
       return 1
     fi
 
-    domain_id="$(echo "$htmlpage" | tr -d "[:space:]" | sed 's/<tr>/@<tr>/g' | tr '@' '\n' \
+    domain_id="$(echo "$htmlpage" | tr -d "\r\n" | sed 's/<tr>/@<tr>/g' | tr '@' '\n' \
       | grep "<td>$search_domain</td>\|<td>$search_domain(.*)</td>" \
       | _egrep_o "edit\.php\?edit_domain_id=[0-9a-zA-Z]+" \
       | cut -d = -f 2)"
@@ -349,7 +349,7 @@ _freedns_data_id() {
       return 1
     fi
 
-    data_id="$(echo "$htmlpage" | tr -d "[:space:]" | sed 's/<tr>/@<tr>/g' | tr '@' '\n' \
+    data_id="$(echo "$htmlpage" | tr -d "\r\n" | sed 's/<tr>/@<tr>/g' | tr '@' '\n' \
       | grep "<td[a-zA-Z=#]*>$record_type</td>" \
       | grep "<ahref.*>$search_domain</a>" \
       | _egrep_o "edit\.php\?data_id=[0-9a-zA-Z]+" \