checking if a process is running

gistfile1.sh

#https://github.com/javan/whenever/

##### Check if a process is running or not

#!/bin/bash

#http://stackoverflow.com/questions/9336596/rvm-installation-not-working-rvm-is-not-a-function
source ~/.rvm/scripts/rvm

# http://cazatech.wordpress.com/2007/07/07/shell-script-restart-process-if-not-found-running/
ps x -o pid,pgid,args | grep -v 'grep' | grep 'whatever_task' 
if [ $? -eq 1 ]
then
	cd <work directory> && rvm use whatever_gemset && RAILS_ENV=development bundle exec rake whatewever_task >> <path_to_log_file> 2>&1
else
	echo 'Rake task runing'
fi



##### Kill process if runs

#!/bin/bash

pids=$(ps x -o pid,pgid,args | grep -v 'grep' | grep 'whatever_task' | cut -d' ' -f 1)

# http://www.cyberciti.biz/faq/finding-bash-shell-array-length-elements/
if [ ${#pids} -eq 0 ]
then
	echo "Nothing to kill!"
else
	kill -INT $pids
	echo 'Killing rake whatever_task'
fi