diff --git a/scripts/comp-vars.py b/scripts/comp-vars.py
new file mode 100644
index 000000000..dfcc41947
--- /dev/null
+++ b/scripts/comp-vars.py
@@ -0,0 +1,75 @@
+#!/usr/bin/env python
+from __future__ import print_function
+
+import argparse
+import yaml
+
+def main():
+    args = parse_args()
+    comp_var_file = args.var_file
+
+    def_vars = read_yaml('/opt/iiab/iiab/vars/default_vars.yml')
+    comp_vars = read_yaml(comp_var_file)
+
+    list_extra_vars(comp_var_file, comp_vars, def_vars)
+    list_changed(comp_var_file, comp_vars, def_vars)
+
+    #min_vars = adm.read_yaml('/opt/iiab/iiab/vars/local_vars_min.yml')
+    #med_vars = adm.read_yaml('/opt/iiab/iiab/vars/local_vars_medium.yml')
+    #big_vars = adm.read_yaml('/opt/iiab/iiab/vars/local_vars_big.yml')
+
+    #list_extra_vars('min_vars', min_vars, def_vars)
+    #list_extra_vars('med_vars', med_vars, def_vars)
+    #list_extra_vars('big_vars', big_vars, def_vars)
+
+    #min_vars = remove_dups('min_vars', min_vars, def_vars)
+    #med_vars = remove_dups('med_vars', med_vars, def_vars)
+    #big_vars = remove_dups('big_vars', big_vars, def_vars)
+
+
+def list_changed(file_name, var_dict, def_vars):
+    # { k : v for k,v in d.items() if v} - copy only filtered to new and return (muy pythonic)
+    print('Changed in ' + file_name)
+    for var_name in var_dict:
+        var_val = var_dict[var_name]
+        if var_val != def_vars.get(var_name):
+            print(var_name + ':', var_dict[var_name])
+
+def remove_dups(dict_name, var_dict, def_vars):
+    # { k : v for k,v in d.items() if v} - copy only filtered to new and return (muy pythonic)
+    for var_name in var_dict.copy():
+        var_val = var_dict[var_name]
+        if var_val == def_vars.get(var_name):
+            del var_dict[var_name]
+    print(dict_name)
+    for var_name in var_dict:
+        print(var_name, var_dict[var_name])
+    return var_dict
+
+def list_extra_vars(dict_name, var_dict, def_vars):
+    for var_name in var_dict:
+        if def_vars.get(var_name, 'ReallyNone!@#$') == 'ReallyNone!@#$':
+            print(dict_name, var_name, 'not in default')
+
+# from adm_lib
+
+def read_yaml(file_name, loader=yaml.SafeLoader):
+    try:
+        with open(file_name, 'r') as f:
+            y = yaml.load(f, Loader=loader)
+            return y
+    except:
+        raise
+
+def parse_args():
+    parser = argparse.ArgumentParser(description="Compare vars file to default_vars.")
+    parser.add_argument("var_file", help="the full path to the local vars file you want to compare.")
+    #parser.add_argument("-z", "--zim", type=str, help="zim to update (e.g. wikipedia_en_medicine_maxi). Leave blank for All.")
+
+    return parser.parse_args()
+
+# Now start the application
+if __name__ == "__main__":
+
+    # Run the main routine
+    main()