diff --git a/web/hp_cmd.py b/web/hp_cmd.py
index 0693c60..be038d0 100644
--- a/web/hp_cmd.py
+++ b/web/hp_cmd.py
@@ -1,4 +1,6 @@
-from run import generate_csv_file_if_needed, init_console_logger
+import sys
+
+from run import generate_csv_file_if_needed, init_console_logger, config
 from datetime import datetime
 import argparse
 
@@ -7,12 +9,13 @@ if __name__ == "__main__":
                                         description='description')
 
     hp_parser.add_argument('-clog', '--console-log', action='store_true')
+    hp_parser.add_argument('-s', '--dry-run', action='store_true')
 
     subparsers = hp_parser.add_subparsers(dest='hpcmd_name')
 
     csvgen_parser = subparsers.add_parser('csv_gen',
                                           help='csv-gen help')
-    csvgen_parser.add_argument('-a', '--all')
+    csvgen_parser.add_argument('-a', '--all', action='store_true')
     csvgen_parser.add_argument('-t', '--target')
     csvgen_parser.add_argument('-i', '--input')
     csvgen_parser.add_argument('-b', '--begin')
@@ -22,10 +25,22 @@ if __name__ == "__main__":
 
     if args.console_log:
         _logger = init_console_logger()
-        _logger.info("This is info")
 
     if args.hpcmd_name == 'csv_gen':
+        # todo: build default dates in not -b or -e
         start_date = datetime.strptime(args.begin, '%Y%m%d')
         stop_date = datetime.strptime(args.end, '%Y%m%d')
-        generate_csv_file_if_needed(args.target, args.input, start_date, stop_date)
-
+        if args.all:
+            # build the {target_slug: [input list]} dictionnary from config.yaml
+            targets = {t['slug']: list(t['models'].keys()) for t in config['targets']}
+        else:
+            # todo: check -i an -t
+            targets = {args.target: [args.input]}
+
+        for _t, _i_list in targets.items():
+            # print(_t, _i_list)
+            for _i in _i_list:
+                print(f"generating csv for {_t}/ {_i}")
+                if args.dry_run:
+                    continue
+                generate_csv_file_if_needed(_t, _i, start_date, stop_date)
--
libgit2 0.21.2