[PATCH 22/48] Use parameter expansion instead of dirname.

[Victor Lowther <victor.lowther@xxxxxxxxx>]

---
 rc.shutdown |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/rc.shutdown b/rc.shutdown
index ef9b16d..cc39030 100755
--- a/rc.shutdown
+++ b/rc.shutdown
@@ -23,7 +23,7 @@ kill_everything
 
 stat_busy "Saving Random Seed"
 RANDOM_SEED=/var/lib/misc/random-seed
-[ -d $(dirname $RANDOM_SEED) ] || mkdir -p $(dirname $RANDOM_SEED)
+[[ -d ${RANDOM_SEED%/*} ]] || mkdir -p ${RANDOM_SEED%/*}
 : > $RANDOM_SEED
 /bin/chmod 0600 $RANDOM_SEED
 POOL_FILE=/proc/sys/kernel/random/poolsize
-- 
1.7.1