diff --git a/pdf_oralia/extract.py b/pdf_oralia/extract.py
index 3ad05ac..d1a7599 100644
--- a/pdf_oralia/extract.py
+++ b/pdf_oralia/extract.py
@@ -41,15 +41,20 @@ def pdf_extract_tables_lines(pdf):
     patrimoine_sink = patrimoine.fsm()
     next(patrimoine_sink)
 
-    page_number = 1
-    for page in pdf.pages:
+    for page_number, page in enumerate(pdf.pages):
         page_text = page.extract_text()
         date = extract_date(page_text)
-        additionnal_fields = {
-            "immeuble": extract_building(page_text),
-            "mois": date.strftime("%m"),
-            "annee": date.strftime("%Y"),
-        }
+        try:
+            additionnal_fields = {
+                "immeuble": extract_building(page_text),
+                "mois": date.strftime("%m"),
+                "annee": date.strftime("%Y"),
+            }
+        except ValueError:
+            logging.warning(
+                f"L'immeuble de la page {page_number+1} non identifiable. Page ignorée."
+            )
+            continue
         table_type = ""
         if locataire.is_it(page_text):
             table_type = "locataire"
@@ -58,7 +63,10 @@ def pdf_extract_tables_lines(pdf):
         elif patrimoine.is_it(page_text):
             table_type = "patrimoine"
         else:
-            logging.warning(f"Page {page_number} non reconnu. Page ignorée.")
+            logging.warning(
+                f"Type de la page {page_number+1} non identifiable. Page ignorée."
+            )
+            continue
 
         for line in page.extract_table(extract_table_settings):
             if table_type == "locataire":
@@ -78,8 +86,6 @@ def pdf_extract_tables_lines(pdf):
                     res.update(additionnal_fields)
                     yield patrimoine.Line(**res)
 
-        page_number += 1
-
 
 def from_pdf(pdf_file):
     """Build dataframes one about charges and another on loc"""
@@ -97,25 +103,32 @@ def from_pdf(pdf_file):
         else:
             logging.warning(f"Page {page_number+1} non reconnu. Page ignorée.")
 
-    return (
-        pd.DataFrame([c.__dict__ for c in charge_lines]),
-        pd.DataFrame([c.__dict__ for c in locataire_lines]),
-        pd.DataFrame([c.__dict__ for c in patrimoine_lines]),
-    )
+    return {
+        "charge": pd.DataFrame([c.__dict__ for c in charge_lines]),
+        "locataire": pd.DataFrame([c.__dict__ for c in locataire_lines]),
+        "patrimoine": pd.DataFrame([c.__dict__ for c in patrimoine_lines]),
+    }
 
 
-def extract_save(pdf_file, dest):
+def extract_plan(pdf_file, dest):
+    return {
+        "charge": Path(dest) / f"{pdf_file.stem.replace(' ', '_')}_charge.xlsx",
+        "locataire": Path(dest) / f"{pdf_file.stem.replace(' ', '_')}_locataire.xlsx",
+        "patrimoine": Path(dest) / f"{pdf_file.stem.replace(' ', '_')}_patrimoine.xlsx",
+    }
+
+
+def extract_save(pdf_file, dest, save=[]):
     """Extract charge and locataire for pdf_file and put xlsx file in dest"""
     pdf_file = Path(pdf_file)
-    xls_charge = Path(dest) / f"{pdf_file.stem.replace(' ', '_')}_charge.xlsx"
-    xls_locataire = Path(dest) / f"{pdf_file.stem.replace(' ', '_')}_locataire.xlsx"
-    xls_patrimoine = Path(dest) / f"{pdf_file.stem.replace(' ', '_')}_patrimoine.xlsx"
+    xlss = extract_plan(pdf_file, dest)
 
-    df_charge, df_loc, df_patrimoine = from_pdf(pdf_file)
+    if save != []:
+        dfs = from_pdf(pdf_file)
 
-    df_charge.to_excel(xls_charge, sheet_name="Charges", index=False)
-    logging.info(f"{xls_charge} saved")
-    df_loc.to_excel(xls_locataire, sheet_name="Location", index=False)
-    logging.info(f"{xls_locataire} saved")
-    df_patrimoine.to_excel(xls_patrimoine, sheet_name="Patrimoine", index=False)
-    logging.info(f"{xls_patrimoine} saved")
+        for s in save:
+            dfs[s].to_excel(xlss[s], sheet_name=s, index=False)
+            logging.info(f"{xlss[s]} saved")
+        return {k: v for k, v in xlss.items() if k in save}
+
+    return xlss
diff --git a/pdf_oralia/scripts.py b/pdf_oralia/scripts.py
index 5ab76a9..a0cd3ad 100644
--- a/pdf_oralia/scripts.py
+++ b/pdf_oralia/scripts.py
@@ -4,7 +4,7 @@ from pathlib import Path
 
 import click
 
-from .extract import extract_save
+from .extract import extract_save, extract_plan
 from .join import join_excel
 
 
@@ -51,18 +51,45 @@ def on(pdf_file, dest):
 
 
 @extract.command()
-@click.option("--src", help="Tous les fichiers dans folder", default="./")
+@click.option(
+    "--src", help="Tous les fichiers dans folder (de façon récursive)", default="./"
+)
 @click.option("--dest", help="Où mettre les fichiers produits", default="./")
-def all(src, dest):
-    p = Path(src)
+@click.option(
+    "--only-plan",
+    help="Ne produit rien mais indique les changements",
+    default=False,
+    is_flag=True,
+)
+@click.option(
+    "--force",
+    help="Écrase les fichiers produits précédemment",
+    default=False,
+    is_flag=True,
+)
+def all(src, dest, force, only_plan):
+    src_path = Path(src)
 
-    d = Path(dest)
-    d.mkdir(exist_ok=True)
+    dest = Path(dest)
+    dest.mkdir(exist_ok=True)
 
-    pdf_files = [x for x in p.iterdir() if ".pdf" in str(x)]
-    for pdf_file in pdf_files:
+    for pdf_file in src_path.rglob("**/*.pdf"):
+        relative_path = pdf_file.relative_to(src_path)
+        files_dest = dest / relative_path.parent
         logging.info(f"Found {pdf_file}")
-        extract_save(pdf_file, d)
+
+        plan_dest = extract_plan(pdf_file, files_dest)
+        save = []
+        for k, p in plan_dest.items():
+            if not p.exists() or force:
+                save.append(k)
+
+        if only_plan:
+            for s in save:
+                logging.info(f"Planing to create {plan_dest[s]}")
+        else:
+            files_dest.mkdir(parents=True, exist_ok=True)
+            extract_save(pdf_file, files_dest, save)
 
 
 @main.command()