.bin/flac2mp3

   1 #!/bin/bash
   2
   3 usage() {
   4         cat <<-EOF
   5 Usage: $0 [files]
   6 EOF
   7         exit
   8 }
   9
  10 maxj=`getconf _NPROCESSORS_ONLN`
  11 jobs=()
  12
  13 [[ $# -eq 0 ]] && set -- *.flac
  14
  15 for f in "$@" ; do
  16         case ${f} in
  17         -*) usage ;;
  18         esac
  19
  20         m="${f%.flac}.mp3"
  21         (
  22         flac -sdc "${f}" | \
  23                 lame --silent -V 0 -h - "${m}"
  24         id3cp "${f}" "${m}"
  25         ) &
  26         jobs+=( $! )
  27         if [[ ${#jobs[@]} -eq ${maxj} ]] ; then
  28                 wait ${jobs[0]}
  29                 jobs=( ${jobs[@]:1} )
  30         fi
  31 done
  32
  33 wait