sort pbs file list before saving

launch.py

@@ -386,13 +386,14 @@ class Scheduler:
             print 'Building file list of to be launched jobs. ',
             print 'Might take a while...'
             pbsflist = build_pbsflist(path_pbs_files)
+            if sort:
+                pbsflist.sort()
             save_pbsflist(fname, pbsflist)
         else:
             print 'Loading file list from cache...'
             pbsflist = load_pbsflist(fname)
-
-        if sort:
-            pbsflist.sort()
+            if sort:
+                pbsflist.sort()
 
         # filter out files we will not launch
         regex = re.compile(search_crit_re)