fix exe perms, add dsc format

diff --git a/ex b/ex
old mode 100644 (file)
new mode 100755 (executable)
index 44bb462..775aba8
--- a/ex
+++ b/ex
@@ -50,6 +50,7 @@ See source for exact file extensions."
                 $super umount "$temp_dir"
                 ;;
             *.r[0-9][0-9]|*.rar ) unrar x "$x" ;;
+            *.dsc) dpkg-source -x "$x" ;;
             *)  echo "I don't kno how to extract $x";;
         esac
     done