lukasbesch

function displaytime {
  local T=$1
  local D=$((T/60/60/24))
  local H=$((T/60/60%24))
  local M=$((T/60%60))
  local S=$((T%60))
  (( $D > 0 )) && printf '%3s' $D && printf ' days '
  (( $H > 0 )) && printf '%2s' $H && printf ' hours '
  (( $M > 0 )) && printf '%2s' $M && printf ' minutes '
  if [ $D -lt 1 -a $H -lt 1 ]