radiru.sh - a shellscript to record らじる★らじる(Radiru*Radiru)

radiru.sh

#!/bin/sh

# THANKS TO https://gist.github.com/riocampos/93739197ab7c765d16004cd4164dca73

##### LICENSE - CC0 ######
#radiru.sh - a shellscript to record らじる★らじる(Radiru*Radiru)
#Written in 2018 by Ushitora Anqou
#To the extent possible under law, the author(s) have dedicated all copyright and related and neighboring rights to this software to the public domain worldwide. This software is distributed without any warranty.
#You should have received a copy of the CC0 Public Domain Dedication along with this software. If not, see <http://creativecommons.org/publicdomain/zero/1.0/>.
##########################

# For use you need to install FFmpeg.

print_usage_and_exit() {
  printf "Usage: radiru.sh -c {r1,r2,fm} -d duration -o output_path_without_extension\n"
  exit 2
}

ffmpeg=ffmpeg
ffmpeg_normal_args='-y -i $url -t $duration -loglevel error'
ffmpeg_args="$ffmpeg_normal_args"' -c copy $output_path'

# uncomment this to output mp3 result file.
#ffmpeg_args="$ffmpeg_normal_args"' -write_xing 0 $output_path'

while getopts c:d:o: opt
do
  case $opt in
    c)
      case $OPTARG in
        r1)
          url='https://nhkradiobkr1-i.akamaihd.net/hls/live/512291/1-r1/1-r1-01.m3u8'
          ;;
        r2)
          url='https://nhkradioakr2-i.akamaihd.net/hls/live/511929/1-r2/1-r2-01.m3u8'
          ;;
        fm)
          url='https://nhkradiobkfm-i.akamaihd.net/hls/live/512070/1-fm/1-fm-01.m3u8'
          ;;
        ?)
          print_usage_and_exit
          ;;
      esac
      ;;
    d)
      duration=$OPTARG
      ;;
    o)
      output_path=$OPTARG
      ;;
    ?)
      print_usage_and_exit
      ;;
  esac
done

if [ -z ${url+x} ] || [ -z ${duration+x} ] || [ -z ${output_path+x} ]; then
  print_usage_and_exit
fi

eval "$ffmpeg $ffmpeg_args"