diff --git a/dynhosts b/dynhosts
index 6d56370..4abecb1 100755
--- a/dynhosts
+++ b/dynhosts
@@ -38,7 +38,11 @@ for (my $i = 0; $i <= $#inventory; $i++) {
     next if $line !~ /\S/;
     # continuation lines (leading whitespace):
     while ($i + 1 <= $#inventory) {
-        last if $inventory[$i + 1] !~ /^\s+([^# ].*)/;
+        if ($inventory[$i + 1] =~ /^\s+#/) {
+            $i++;
+            next;
+        }
+        last if $inventory[$i + 1] !~ /^\s+(\S.*)/;
         $i++;
         my $cont = $1;
         $cont =~ s/\s*$//;
@@ -65,6 +69,21 @@ for (my $i = 0; $i <= $#inventory; $i++) {
             }
         }
         %blockvars = ();
+        if ($vars and $vars =~ s/\s+(\{.*\})//) {
+            my $jsonstring = $1;
+            my $jo = JSON::PP->new->relaxed->allow_singlequote->allow_barekey;
+            my $data;
+            eval {
+                $data = $jo->decode($jsonstring);
+            };
+            if ($@) {
+                print STDERR "Invalid JSON in line ". ($i + 1) .": $jsonstring\n";
+            }
+            for my $k (keys %$data) {
+                $blockvars{$k} = $data->{$k};
+            }
+
+        }
         if ($vars) {
             while ($vars =~ /\s+([a-z0-9_]+)=(\S*)/gci) {
                 my ($a, $v) = ($1, $2);
diff --git a/routerbackup b/routerbackup
new file mode 100755
index 0000000..79c57c2
--- /dev/null
+++ b/routerbackup
@@ -0,0 +1,40 @@
+#!/bin/bash
+
+BACKUP=0
+CHECK=0
+while getopts "bc" opt; do
+    case $opt in
+    b)
+        BACKUP=1
+        ;;
+    c)
+        CHECK=1
+        ;;
+    \?)
+        echo "usage: $0 [-c] [-f]" >&2
+        exit 1
+    esac
+done
+
+if [[ $BACKUP = 0 && $CHECK = 0 ]]; then
+    echo "no action" >&2
+    exit 1
+fi
+
+outfilter=$(dirname $0)/ansible_outfilter
+
+if [[ $BACKUP > 0 ]]; then
+    DIFF=/tmp/routerbackup.diff.$$
+    ansible-playbook -e routerbackup_diff=$DIFF routerbackup.yml | $outfilter
+    cat $DIFF
+    rm -f $DIFF
+fi
+
+if [[ $CHECK > 0 ]]; then
+    CHECKFILE=/tmp/routerbackup.check.$$
+    ansible-playbook -t check -e routerbackup_checkfile=$CHECKFILE routerbackup.yml | $outfilter
+    cat $CHECKFILE
+    rm -f $CHECKFILE
+fi
+
+# vim: set tabstop=4 shiftwidth=4 expandtab smarttab: