add startMultipleInstance

startMultipleInstance.sh

+base=opnow
+objDir=main #source
+numOfInstance=4
+command="sleep 1;echo hehe > log.log &"
+rm -rf $base
+
+#create directory
+for((i=1;i<=$numOfInstance;i++));do
+    mkdir -p $base/ins$i
+    echo "copy source" $i
+    cp -r $objDir/* $base/ins$i
+    echo "copy mtl " $i
+    cp -r mtl $base/ins$i
+done
+
+for((i=1;i<=$numOfInstance;i++));do
+    cd $base/ins$i
+    echo "start instance " $i
+    eval $command
+    cd -
+done
+
+