--- /usr/bin/pfsv	2010-07-20 07:50:34.000000000 +0200
+++ pfsv	2011-04-05 16:41:05.000000000 +0200
@@ -3,10 +3,10 @@
 # View HDR images
 ############################################################
 
-if [ -z $1 ]; then
+if [ -z "$1" ]; then
    echo "View HDR images";
    echo "Usage: pfsv <image> [<image>...]"
    exit 0;
 fi
 
-pfsin $@ | pfsview
+pfsin "$@" | pfsview