# make sure we have a way of checking these things
-[ ! -e /dev/fd ] && exit 1
+cd /proc/$$/fd || cd /dev/fd || exit 1
-[ -e /dev/fd/44 ] && exit 1
+[ -e 44 ] && exit 1
exec 44>/dev/null
-[ -e /dev/fd/44 ] || exit 1
+[ -e 44 ] || exit 1
echo pass fd out open
-[ -e /dev/fd/55 ] && exit 1
+[ -e 55 ] && exit 1
exec 55>&44
-[ -e /dev/fd/55 ] || exit 1
+[ -e 55 ] || exit 1
echo pass fd out dup
exec 44>&-
-[ -e /dev/fd/44 ] && exit 1
+[ -e 44 ] && exit 1
echo pass fd out close
-[ -e /dev/fd/66 ] && exit 1
+[ -e 66 ] && exit 1
exec 66</dev/null
-[ -e /dev/fd/66 ] || exit 1
+[ -e 66 ] || exit 1
echo pass fd in open
-[ -e /dev/fd/77 ] && exit 1
+[ -e 77 ] && exit 1
exec 77<&66
-[ -e /dev/fd/77 ] || exit 1
+[ -e 77 ] || exit 1
echo pass fd in dup
exec 66<&-
-[ -e /dev/fd/66 ] && exit 1
+[ -e 66 ] && exit 1
echo pass fd in close