diff --git a/README.md b/README.md
index 3ce99eb..efdbee2 100644
--- a/README.md
+++ b/README.md
@@ -14,6 +14,8 @@
  * bin/check-cmd.rb
  * bin/check-process-restart.rb
  * bin/check-process.rb
+ * bin/check-process.sh
+ * bin/metrics-process-status
 
 ## Usage
 
diff --git a/Rakefile b/Rakefile
index 45be419..5ce0c83 100644
--- a/Rakefile
+++ b/Rakefile
@@ -1,9 +1,9 @@
 require 'bundler/gem_tasks'
 require 'rspec/core/rake_task'
-require 'rubocop/rake_task'
+require 'yard'
 require 'github/markup'
+require 'rubocop/rake_task'
 require 'redcarpet'
-require 'yard'
 require 'yard/rake/yardoc_task'
 
 desc 'Don\'t run Rubocop for unsupported versions'
@@ -29,7 +29,7 @@ end
 
 desc 'Make all plugins executable'
 task :make_bin_executable do
-  `chmod -R +x bin/*`
+  `chmod -R +x bin/***/*.rb`
 end
 
 task default: args
diff --git a/bin/check-process.sh b/bin/check-process.sh
new file mode 100644
index 0000000..a047765
--- /dev/null
+++ b/bin/check-process.sh
@@ -0,0 +1,71 @@
+#!/bin/bash
+#
+# Check process
+#
+# ===
+#
+# Examples:
+#
+#   # check by process name
+#   check-process.sh -p nginx
+#
+#   # check by PID file
+#   check-process.sh -f /var/spool/postfix/pid/master.pid
+#
+# Date: 2014-09-12
+# Author: Jun Ichikawa <jun1ka0@gmail.com>
+#
+# Released under the same terms as Sensu (the MIT license); see LICENSE
+# for details.
+
+# get arguments
+while getopts 'p:f:h' OPT; do
+  case $OPT in
+    p)  PROCESS=$OPTARG;;
+    f)  PID_FILE=$OPTARG;;
+    h)  hlp="yes";;
+    *)  unknown="yes";;
+  esac
+done
+
+# usage
+HELP="
+    usage: $0 [ -p value -f value -h ]
+
+        -p --> process name
+        -f --> file path to pid file
+        -h --> print this help screen
+"
+
+if [ "$hlp" = "yes" ]; then
+  echo "$HELP"
+  exit 0
+fi
+
+if [ ${PROCESS} ]; then
+  scriptname=`basename $0`
+  ret=`ps aux | grep "${PROCESS}" | grep -v grep | grep -v $scriptname`
+  if [ ! "${ret}" ]; then
+    echo "CRITICAL - process ${PROCESS} does not exist"
+    exit 2
+  fi
+  echo "PROCESS OK - ${PROCESS}"
+  exit 0
+fi
+
+if [ ${PID_FILE} ]; then
+  if [ ! -e ${PID_FILE} ]; then
+    echo "CRITICAL - PID file ${PID_FILE} does not exist"
+    exit 2
+  fi
+  pid=`cat ${PID_FILE} | tr -d ' '`
+  if [ ! -f /proc/${pid}/status ]; then
+    echo "CRITICAL - status of ${PID_FILE} not found"
+    exit 2
+  fi
+  echo "PROCESS OK - ${PID_FILE}"
+  exit 0
+fi
+
+echo "$HELP"
+exit 2
diff --git a/bin/process-status-metrics.rb b/bin/metrics-process-status.rb
similarity index 100%
rename from bin/process-status-metrics.rb
rename to bin/metrics-process-status.rb