add simple bench script

bench.sh

@@ -0,0 +1,18 @@
+#! /bin/bash
+
+if [[ ! -d 'tmp' ]]
+then
+    mkdir tmp
+fi
+
+cd testdata
+../server  2> log.txt > outlog.txt &
+server_pid=$!
+sleep 1
+cd ../tmp
+
+cat ../testdata/dlist.txt|../client localhost 9091 -b -nv -q -t 8
+sed -i -E 's/^[A-Za-z:, ]*([0-9]+)[A-Za-z:, ]+([0-9]+).*$/\1,\2/' ../testdata/log.txt
+
+echo turn off server :$server_pid
+kill $server_pid