diff --git a/bin/all/dq.sh b/bin/all/dq.sh
old mode 100644
new mode 100755
diff --git a/bin/clojure_dev/dq.sh b/bin/clojure_dev/dq.sh
old mode 100644
new mode 100755
diff --git a/bin/core/dq.sh b/bin/core/dq.sh
old mode 100644
new mode 100755
diff --git a/bin/db/dq.sh b/bin/db/dq.sh
old mode 100644
new mode 100755
diff --git a/bin/frontend_dev/dq.sh b/bin/frontend_dev/dq.sh
old mode 100644
new mode 100755
diff --git a/bin/groovy_dev/dq.sh b/bin/groovy_dev/dq.sh
old mode 100644
new mode 100755
diff --git a/bin/java_dev/dq.sh b/bin/java_dev/dq.sh
old mode 100644
new mode 100755
diff --git a/bin/ruby_dev/dq.sh b/bin/ruby_dev/dq.sh
old mode 100644
new mode 100755
diff --git a/bin/scala_dev/dq.sh b/bin/scala_dev/dq.sh
old mode 100644
new mode 100755
diff --git a/build.sh b/build.sh
index a919637..0f7836e 100755
--- a/build.sh
+++ b/build.sh
@@ -1,10 +1,10 @@
 #!/bin/sh
-ruby build.rb groovy_dev > bin/groovy_dev/dq.sh
-ruby build.rb ruby_dev > bin/ruby_dev/dq.sh
-ruby build.rb scala_dev > bin/scala_dev/dq.sh
-ruby build.rb java_dev > bin/java_dev/dq.sh
-ruby build.rb db > bin/db/dq.sh
-ruby build.rb core > bin/core/dq.sh
-ruby build.rb clojure_dev > bin/clojure_dev/dq.sh
-ruby build.rb all > bin/all/dq.sh
-ruby build.rb frontend_dev > bin/frontend_dev/dq.sh
\ No newline at end of file
+
+rm -rf ./bin
+
+for group in groovy_dev ruby_dev scala_dev java_dev db core clojure_dev all frontend_dev; do
+  mkdir -p ./bin/$group/
+  ruby build.rb $group > ./bin/$group/dq.sh
+done
+
+find bin -type f -name \*.sh -exec chmod u+x {} +