-find . -type d -exec chmod 755 {} \;
-find . -type f -exec chmod 644 {} \;
-find t/redo-sh.tests -name test -exec chmod +x {} \+
-find t -name wrapper.rc -exec chmod +x {} \+
+find . -type d -exec chmod 755 {} +
+find . -type f -exec chmod 644 {} +
+find t/redo-sh.tests -name test -exec chmod +x {} +
+find t -name wrapper.rc -exec chmod +x {} +