#
### Example PBS script file
### Provided to show useful options when creating a PBS job script
###
### Submit jobs with    'qsub jobfilename'
###
###
### Job name
#PBS -N jobname
### Declare job non-rerunable
#PBS -r n
### Output files
#PBS -e jobname.err
#PBS -o jobname.log
### Mail directives
### -m send mail on (a)bort (b)egin (e)nd
#PBS -m abe
#PBS -M username@physics.purdue.edu
### Queue name (always default)
#PBS -q default
### Number of nodes (want 2 nodes, property of 'dual', for 1 hour walltime)
#PBS -l nodes=1:dual,walltime=01:00:00
### If I'm a node owner, I specify my qos
##PBS -W qos=mine
### Otherwise, specify qos=1, and PBS will pick something available
#PBS -W qos=1


# export all my environment variables to the job
#PBS -V
#
#
# Using PBS - Environment Variables
# When a batch job starts execution, a number of environment variables are
# predefined, which include:
#
#      Variables defined on the execution host.
#      Variables exported from the submission host with
#                -v (selected variables) and -V (all variables).
#      Variables defined by PBS.
#
# The following reflect the environment where the user ran qsub:
# PBS_O_HOST    The host where you ran the qsub command.
# PBS_O_LOGNAME Your user ID where you ran qsub.
# PBS_O_HOME    Your home directory where you ran qsub.
# PBS_O_WORKDIR The working directory where you ran qsub.
#
# These reflect the environment where the job is executing:
# PBS_ENVIRONMENT       Set to PBS_BATCH to indicate the job is a batch job, or
#                 to PBS_INTERACTIVE to indicate the job is a PBS interactive job.
# PBS_O_QUEUE   The original queue you submitted to.
# PBS_QUEUE     The queue the job is executing from.
# PBS_JOBID     The job's PBS identifier.
# PBS_JOBNAME   The job's name.
# PBS_NODEFILE  the name of the file contain the list of nodes assigned
#               to the job (for parallel and cluster systems).
###

# Change to working directory
cd $HOME/working_directory
# Create scratch directory on the execution node
mkdir /scratch/$PBS_JOBID
# Copy data files into scratch directory
cp $HOME/working_directory/data_files/* /scratch/$PBS_JOBID

# cd into the /scratch directory
cd /scratch/$PBS_JOBID

# Run some misc commands
@echo Running on host `hostname`
@echo Time is `date`
@echo Directory is `pwd`

# Perhaps run a script to set your environment
source $HOME/startup
# Run your executable, with input and output in the /scratch directory.
$HOME/bin/longjob < input.file > output.file
# Copy files back home and cleanup
cp * $HOME/working_directory/output && \
cd .. && rm -rf /scratch/$PBS_JOBID