more cow bel

belsum

#!/bin/bash

# hear the md5sum of a file! ♬ ♬ ♬ ♬
# by liam (github.com/liamgriffiths)

function beat { 
  tput bel 
}

function beats { 
  beat
}

function break { 
  sleep 0.001 
}

function whole { 
  $1 && sleep 1
}

function half { 
  $1 && sleep 0.5
}

function quarter { 
  $1 && sleep 0.25
}

function eigth { 
  $1 && sleep 0.125
}

function play {
  for n in `seq $1`; do 
    $2 $3 
  done
}

function hexbeat {
  [[ $1 == "1" ]] && play 1 whole beat
  [[ $1 == "2" ]] && play 1 half beat
  [[ $1 == "3" ]] && play 1 quarter beat
  [[ $1 == "4" ]] && play 1 eigth beat
  [[ $1 == "5" ]] && play 2 whole beats
  [[ $1 == "6" ]] && play 2 half beats
  [[ $1 == "7" ]] && play 2 quarter beats
  [[ $1 == "8" ]] && play 2 eigth beats
  [[ $1 == "9" ]] && play 4 whole beats
  [[ $1 == "0" ]] && play 4 half beats
  [[ $1 == "a" ]] && play 4 quarter beats
  [[ $1 == "b" ]] && play 4 eigth beats
  [[ $1 == "c" ]] && play 1 whole break
  [[ $1 == "d" ]] && play 1 half break
  [[ $1 == "e" ]] && play 1 quarter break
  [[ $1 == "f" ]] && play 1 eigth break
}

function usage {
  echo "beatsum: hear the md5sum of a file"
  echo "usage: $0 [file]"
  exit 1
}

function main {
  local hexstring=$(md5 -q $1)
  for ((i=0; i < ${#hexstring}; i++)); do
    hexbeat ${hexstring:$i:1}
  done
}

[ $# -eq 0 ] && usage
[ "$1" == "--help" ] && usage
main $1