Prevent existing output file from interfereing with zip

diff --git a/src/output/odt.c b/src/output/odt.c
index d5658e89203d94448e61d349803e9671935595d2..59a628a6f9cb524241066f7fc41db24545318661 100644 (file)
--- a/src/output/odt.c
+++ b/src/output/odt.c
@@ -236,7 +236,7 @@ odt_close_driver (struct outp_driver *this)
 
   /* Zip up the directory */
   ds_init_empty (&zip_cmd);
-  ds_put_format (&zip_cmd, "cd %s ; zip -r ../pspp.odt . > /dev/null", x->dirname);
+  ds_put_format (&zip_cmd, "cd %s ; rm -f ../pspp.odt; zip -q -X ../pspp.odt mimetype; zip -q -X -u -r ../pspp.odt .", x->dirname);
   system (ds_cstr (&zip_cmd));
   ds_destroy (&zip_cmd);