Add | grep . to convert empty dig result to error

1 files changed, 1 insertions, 1 deletions

diff --git a/echoz.sh b/echoz.sh
index e1ae222..8744717 100755
--- a/echoz.sh
+++ b/echoz.sh
@@ -6,7 +6,7 @@ jid="$1"
 password="$2"
 username="$(echo "$jid" | sed 's/@.*//')"
 domain="$(echo "$jid" | sed 's/.*@//')"
-srv="$( ( dig +short SRV "_xmpp-client._tcp.$domain" || echo "0 0 5222 $domain" ) | sort -n | sed 's/[[:digit:]]\+[[:space:]][[:digit:]]\+[[:space:]]//')"
+srv="$( ( dig +short SRV "_xmpp-client._tcp.$domain" | grep . || echo "0 0 5222 $domain" ) | sort -n | sed 's/[[:digit:]]\+[[:space:]][[:digit:]]\+[[:space:]]//')"
 host="$(echo "$srv" | sed 's/[[:digit:]]\+[[:space:]]//')"
 port="$(echo "$srv" | sed 's/[[:space:]].*//')"
 authstr="$(printf '\0%s\0%s' "$username" "$password" | base64)"