specify batch as a single option

diff --git a/scan_stuff b/scan_stuff
index 152199c21938e6679582926bc8b63350938ec24c..8b08761cbcad3494c05c001750c9127752f8f224 100755 (executable)
--- a/scan_stuff
+++ b/scan_stuff
@@ -93,7 +93,7 @@ $last_num++;
 
 exec('scanimage','-d',$options{device},
      '--source','ADF Duplex','--mode','Gray','--format','tiff',
-     '--batch','out_'.sprintf('%03d',$last_num).'_%03d.tif');
+     '--batch=out_'.sprintf('%03d',$last_num).'_%03d.tif');
 
 __END__