diff --git a/tool/release.sh b/tool/release.sh
new file mode 100644
index 0000000000..08f150289b
--- /dev/null
+++ b/tool/release.sh
@@ -0,0 +1,35 @@
+#!/bin/sh
+
+RUBYDIR=/home/ftp/pub/ruby
+
+releases=`ls ruby-*|grep -o 'ruby-[0-9]\.[0-9]\.[0-9]\(-\(preview\|rc\|p\)[0-9]\{1,4\}\)\?'|uniq`
+
+# check files
+for r in $releases
+do
+  echo "checking files for $r..."
+  if ! [ -f $r.tar.gz ];then
+    echo "ERROR: $r.tar.gz not found"
+    exit 1
+  elif ! [ -f $r.tar.bz2 ];then
+    echo "ERROR: $r.tar.bz2 not found"
+    exit 1
+  elif ! [ -f $r.zip ];then
+    echo "ERROR: $r.zip not found"
+    exit 1
+  else
+    echo "files are ok"
+  fi
+done
+
+# version directory
+for r in $releases
+do
+  xy=`echo $r|grep -o '[0-9]\.[0-9]'`
+  dir="${RUBYDIR}/$xy"
+  echo "$dir"
+  mkdir -p $dir
+  cp $r.tar.gz $dir/$r.tar.gz
+  cp $r.tar.bz2 $dir/$r.tar.bz2
+  cp $r.zip $dir/$r.zip
+done