Shell .profile to retrieve SGE environment within login

qlogin.sh

# set SGE environment if exists
ACTIVE_JOBS_DIR=/var/spool/gridengine/execd/$(hostname)/active_jobs/
if [ -d $ACTIVE_JOBS_DIR ]; then
  PARENT_PID=$(ps -p $(ps -p $$ -o ppid --no-header) -o ppid --no-header)
  for job_dir in $(ls -1 $ACTIVE_JOBS_DIR); do
    JOB_PID=$(cat $ACTIVE_JOBS_DIR$job_dir/job_pid)
    if [ $JOB_PID -eq $PARENT_PID ]; then
      echo . $ACTIVE_JOBS_DIR$job_dir/environment
      . $ACTIVE_JOBS_DIR$job_dir/environment
      break
    fi
  done
fi