New function to pick 'metadata' out of new .md convention for attributes.

bin/cgilib.rc

@@ -279,6 +279,18 @@ fn app_handler {
 }
 
 
+##################################
+# Meta-data extract
+
+fn get_var {
+    if(! ~ $#* 2) {
+         status='ERROR: wrong get_var args >>' $* '<< instead of: get_var file-name var-name'
+         dprint $status
+    }
+    if not
+        sed -n '/^\* '$2': /p; /^\* '$2': /q; /^$/q' < $1
+}
+
 #app_blog_methods = ( _post index.rss )
 #fn app_blog__post {
 #    echo