diff --git a/compress_logger/cleanup.bash b/compress_logger/cleanup.bash
new file mode 100644
index 0000000..bf870b9
--- /dev/null
+++ b/compress_logger/cleanup.bash
@@ -0,0 +1,12 @@
+rm -f ~/sea/log/auto*
+rm -f ~/sea/log/log-201*
+rm -f ~/sea/log/log-2020
+rm -f ~/sea/log/log-2021
+rm -f ~/sea/log/log-2022
+rm -f ~/sea/log/log-2023
+rm -f ~/sea/log/log-2024
+rm -rf ~/sea/history/*
+rm -f ~/sea/*_sea_logger.tar
+python3 ~/sea/compress_logger/compress.py -x
+python3 ~/sea/compress_logger/lz4.py 2021
+mv ~/sea/gzlogger ~/sea_logger_trash_/
diff --git a/compress_logger/compress.py b/compress_logger/compress.py
index 4a880e4..5f7a948 100644
--- a/compress_logger/compress.py
+++ b/compress_logger/compress.py
@@ -87,6 +87,13 @@ def treat(action, instrument='', years='past', vars=None):
             yrs.remove(time.strftime("%Y"))
         except ValueError:
             pass
+    elif years == 'auto':
+        os.chdir(gzbase)
+        yrs = []
+        for year in glob('20*'):
+            if not os.path.exists(f'../logger/{year}.tar.lz4'):
+                yrs.append(year)
+        os.chdir(logbase)
     else:
         yrs = years
     for year in yrs:
@@ -95,7 +102,11 @@ def treat(action, instrument='', years='past', vars=None):
         if action == COMPRESS:
             os.chdir(logdir)
         else:
-            os.chdir(gzdir)
+            try:
+                os.chdir(gzdir)
+            except Exception as e:
+                print(e)
+                continue
         if not vars:
             varlist = list(glob('*'))
         else:
@@ -145,8 +156,8 @@ if __name__ == '__main__':
         else:
             addto.append(opt)
     if len(years) == 0:
-        years = 'past'
-    if years not in ('past', 'all'):
+        years = 'auto'
+    if years not in ('past', 'all', 'auto'):
         for year in years:
             assert(2007 <= int(year) <= 2030)
     if len(instruments) == 0: