diff --git a/progress_bar.py b/progress_bar.py
new file mode 100644
index 0000000..5155b20
--- /dev/null
+++ b/progress_bar.py
@@ -0,0 +1,15 @@
+if __name__ == "__main__":
+    from argparse import ArgumentParser
+    from tqdm import tqdm
+    from low_level import progress_bar_from_logfile
+
+    parser = ArgumentParser(description="Progress bar from log files.")
+    parser.add_argument("-l","--logdir", type=str, help="Log directory.")
+    parser.add_argument("-s","--simname", type=str, help="Simulation name.")
+    parser.add_argument("-n","--N_tiles", type=int, help="Number of tiles.")
+    parser.add_argument("-v","--verbose", type=int, default=1, help="Verbose level.")
+
+    parsed_args = parser.parse_args()
+
+    for b in tqdm(range(1,parsed_args.N_tiles**3+1), desc="sCOLA", unit="box", disable=(parsed_args.verbose==0)):
+        progress_bar_from_logfile(parsed_args.logdir+parsed_args.simname+".log_"+str(b), desc=f"Box {b}/{parsed_args.N_tiles**3}", verbose=parsed_args.verbose, leave=False)
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