this script catches the term signal and writes the

espresso exit file.  Then it waits.  Also changes restart to restart in
in file

CADES/ESPRESSO/espresso_restart_job.pbs

+#!/bin/bash
+#PBS -S /bin/bash
+#PBS -m be
+#PBS -M your@email.com
+#PBS -N name_job
+#PBS -q batch
+#PBS -l nodes=4:ppn=32:hw32
+#PBS -l walltime=12:00:00
+#PBS -A cnms-burst
+#PBS -W group_list=cades-user
+#PBS -l qos=burst
+#PBS -l naccesspolicy=singlejob
+export OMP_NUM_THREADS=1
+
+TAG="burst"
+#PID_MPI=0
+OUT_FILE="out"
+
+function logit
+{
+    echo $1 >> $PBS_O_WORKDIR/${TAG}test.log
+}
+
+echo "start--- UID: ${UID} GROUPS: ${GROUPS}" > $PBS_O_WORKDIR/${TAG}test.log
+
+cd $PBS_O_WORKDIR
+module load env/cades-cnms
+module load espresso/6.1
+
+temp=$(cat 'in' | awk '/prefix/ {print $3}')
+prefix=${temp//[\\',]/}
+logit ${prefix}
+
+stop_handler()
+{
+    logit "stop_handler called.  Write stop file"
+    echo "STOP" > ${prefix}.EXIT
+    I=0
+    dont_kill_espresso=1
+    while( $dont_kill_espresso );
+    do
+	 logit "Waiting on espresso"
+	 ((I++))
+	 logit $I
+	 echo $I
+	 sleep 1
+	 if [[ -z $(grep 'JOB DONE' $OUT_FILE) ]]
+	 then
+             sed -e 's/from_scratch/restart/' < in >temp_in
+             mv temp_in in
+	     $dont_kill_espresso=0
+	 fi   
+    done
+    echo "done"
+    exit -1
+}
+
+trap 'stop_handler' INT TERM USR2 2 15 HUP
+trap 'dead_child' CHLD
+
+printenv
+cat $PBS_NODEFILE > pbs_nodefile
+
+logit "$installed_traps"
+mpirun -x OMP_NUM_THREADS=1 $PWSCF_MPI_FLAGS $PWSCF -npool 1 -in in 2>&1 >out&
+PID_MDI=$!
+wait $PID_MPI