#!/bin/bash     #Define the shell the script should run in

case $1 in      # $1 is the first command line arguement, script start or script stop

start)          # here is where the start block begins, ;; is where it will end

    if [ -f /full/path/to/cod_lnxded ];then  # this will test that your binary is where
                                             # you say it is, "man test"

       /full/path/to/cod_lnxded > /tmp/cod.log 2>&1 & #run cod_lnxded, throw away
                                                      #any output including std
                                                      # err and backgroud it

       echo $? > /tmp/cod.pid  # here's what you wanted to know, create a file named
                               # cod.pid that contains the pid

       echo "hit ctrl-c to exit log"  #this will make sense due to the next line

       /usr/bin/tail -f /tmp/cod.log  #this is a trick to immediately check the log file
                                      #while the script is starting the binary

    fi # This ends the test

        ## Note: Similar to the stop you can check if the process is running first,
        ## but I left this out for you to figure out.  That is a good idea so you
        ## don't start two by accident
;;

stop)  # same code as the start and it will end with ;;

     if [ -f /tmp/cod.pid ];then #check to see if pid file exists

        /usr/bin/ps -p `cat /tmp/cod.pid` # Back ticks will run a sub command to 
                                          # send actual pid to the "ps" command

        if [ $? = 0 ];then # this will check if the last process, our ps, ran successfully
                           # and found a running process with that pid

            /usr/bin/kill -9 `cat /tmp/cod.pid` # this will forcefully kill the
                                            # pid using the same technique

        else

            echo "No running COD"  # this just prints if test ps turned out false

            exit 1  # forces to stop, printing an error code properly
 
        fi  # end running proc test

     else

         echo "/tmp/cod.pid not found"  # This just prints if the test on the file
                                        # was false

         exit 1 # forces stop because pid file wasn't found

     fi  # end of pid file test
;;

status)

     if [ -f /tmp/cod.pid ];then

     /usr/bin/ps -ef | grep `cat /tmp/cod.pid`  #use this to check status to see if
                                                #process is still running
                                                #similar you can make a restart block that 
                                                #checks if the file exists and the 
                                                #process is running.  Add this to cron
                                                #once a minute just in case the process
                                                #dies then cron will start it for you

     fi

;;

*) #this is a block that tells users how to run the script, if they type argument $1 as
   # anything but start, stop, status, and what ever else you write, the script exits with
   # an error but prints out how to use the script properly

echo "Usage: (start|stop|status)
exit 1
;;

esac # this ends the case statment, case spelled backwards

## WARNING: This script wasn't tested and should not be 
## used for transfering money or where human life maybe 
## at stake.  For your own safety run at your own risk.
## Improper usage may cause bodily harm.  I assume no responsibility :)
## and my spelling might be off in my comments enjoy, cross your fingers