1 files changed, 5 insertions, 0 deletions
diff --git a/fio-cdm b/fio-cdm
index 75ea28f..43603c2 100755
--- a/fio-cdm
+++ b/fio-cdm
@@ -58,6 +58,11 @@ fio2cdm() {
 
 trap "rm -f ${TARGET}/.fio-diskmark" 0 1 2 3 9 15
 
+if [ -z "$TARGET" ] ; then
+    echo "First argument should be target directory."
+    exit 1
+fi
+
 # see. http://www.winkey.jp/article.php/20110310142828679
 cat <<_EOL_ | fio --output-format=terse - | fio2cdm
 [global]