#!/bin/bash

# This script uses qrsh to perform a cp command on each

# node that a user has allocated.

# This is useful for populating $TMPDIR on multiple nodes.

# Dr Owain Kenway, UCL

# For licensing terms, see LICENSE.txt

if [[ ! -d "$TMPDIR" ]]; then

echo "Error: no TMPDIR set: gecp cannot find \$TMPDIR/machines"

exit 2

fi

if [[ ! -r "$TMPDIR/machines" ]]; then

echo "Error: no machinefile: gecp cannot find $TMPDIR/machines"

exit 3

fi

sort -u "$TMPDIR/machines" > "$TMPDIR/uniqmachines"

echo "Using nodes:" >&2

cat "$TMPDIR/uniqmachines" >&2

declare -a pids

for node in $(cat "$TMPDIR/uniqmachines"); do

# TODO Think of a way to fix this --v

# WARN: This will break if any of the command line arguments contain spaces

qrsh -inherit "$node" "cd \"$(pwd)\"; /bin/cp $*" &

pids+=("$!")

done

wait "${pids[@]}"