scifi-stream.sh

#!/usr/bin/env bash

# credentials for stream
TILDE_USER=""
TILDE_PASS=""

# don't return a * if no files found in glob
shopt -s nullglob

# change to directory where script is and run everything there
DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" >/dev/null 2>&1 && pwd )"
cd "$DIR" || exit 1

# get list of files in current directory
files=(./*.mp3)

# if there are files in the current directory, process
if [ -n "${files[*]}" ]; then

  # store reference to the 1st file in directory
  next="${files[0]}"

  # create a new playlist of only that 1 file
  printf "%s\\n" "$next" | sed 's?\./??'> "tracks.pls"

  # stream that playlist, then stop stream when it's done
  liquidsoap "output.icecast(%mp3(bitrate=192), \
    host='radio.tildeverse.org', \
    port=8005, \
    user=\"${TILDE_USER}\", \
    password=\"${TILDE_PASS}\", \
    mount='/', \
    fallible=true, \
    on_stop=shutdown,audio_to_stereo(playlist.once('tracks.pls')))"
fi

# trap any exit from this program for cleanup
function finish {

  # if there's a playlist, process it
  if [[ -f "tracks.pls" ]]; then

    # if we haven't created a "done" directory, do that now
    if [ ! -d "./done" ]; then
      mkdir "./done"
    fi

    # move our played file to the done folder
    mv "$next" "./done/"

    # remove playlist
    rm "tracks.pls"
  fi
}
trap finish EXIT