Apply suggestion from Paul Jarc to use something along the
lines of http://cr.yp.to/daemontools/setuidgid.html to avoid
kludges (as in tests/rm/fail-2eperm) when running tests as root.
+
+See if we can be consistent about where --verbose sends its output:
+ These all send --verbose output to stdout:
+ head, tail, rm, cp, mv, ln, chmod, chown, chgrp, install, ln
+ These send it to stderr:
+ shred mkdir split
+ readlink is different