Notification of job completion

run.sh

#!/bin/bash
#
# This still works with piping and redirection of output.
# Ex)
#     bash run.sh ./long_computation > long_computation.out

if [ ! $1 ]
then
  echo "Usage: $0 <command>" >&2
fi

while [ $1 ]
do
  exec 3>&1
  notify-send "Job Complete" "Took `(time $1) 2>&1 >&3 3>&-| 
  grep 'real' | sed 's/[^0-9]*//'`" | cat 3>&-
  exec 3>&-
  shift
done