#!/usr/bin/env bash
# Wrapper script for parallel.

# Whoa!!! GNU Parallel assumes you want to consume all CPU cores.
# Unfortunately, one cannot specify the number of threads for parsort.

CMD="/usr/bin/parallel"

if [[ -z "$PARALLEL_NUM_THREADS" ]]; then
  exec "$CMD" "$@"

elif [[ "$#" -eq 1 && "$1" == "--number-of-threads" ]]; then
  echo $PARALLEL_NUM_THREADS; exit 0

elif [[ "$1" == "-j" ]]; then
  shift; shift; exec "$CMD" -j $PARALLEL_NUM_THREADS "$@"

else
  exec "$CMD" -j $PARALLEL_NUM_THREADS "$@"

fi

##</code><code>##

export PARALLEL_NUM_THREADS=12

LC_ALL=C parsort -k1 big{1,2,3}.txt | ./tally-count | LC_ALL=C parsort -k2nr >out.txt