test

vhclient/rootfs/usr/bin/vhconfig_edit

@@ -0,0 +1,29 @@
+#!/command/with-contenv bashio
+# Changed code from https://gist.github.com/thomedes/6201620#file-ini-sed
+
+file="/config/vhclient.ini"
+
+awkconfig_update_value(){
+  local section="$1"
+  local key="$2"
+  local value="$3"
+  awk -v RS="(^|\n)[:blank:]*\\\\[" -v setFound=0 -v sec="$section"\
+   -v kv="$key=$value" -v secPat="$section" -v subPat="$key"\
+   '$1~"^[[:blank:]\[]*" secPat "[:blank:]*\]"{ \
+        s = sub("[:blank:]*" subPat "[:blank:]*=[^#^;^\n]*", kv);\
+        $0 = $0 ((0 == s)? "\n" kv "\n" : ""); # adding kv to $0;\
+        secFound=1;\
+    }\
+    $1~"^[^;^#^\n^=]*\]"{\
+      $0 = "[" $0; # adding the record separator "[" back in\
+    }\
+    NF{sub(/\n$/, ""); print $0}\
+    END{ if (secFound == 0){\
+        print "[" sec "]";\
+        print kv;\
+      }\
+    }' $file > /tmp/vhclient_config_tmp
+}
+
+awkconfig_update_value $1 $2 $3
+mv /tmp/vhclient_config_tmp $file