TVheadend script to obtain radio channels

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This is a script to obtain the radio channels of a TVheadend server. Placing the result of script on the volumio player in /data/favourites/ with the filename my-web-radio. Be aware if you already a my-web-radio file saved it first. Merging the an existing my-web-radio file with the output of the script is simple cut/paste the output of the script after the first ‘[’ sign and before the corresponding ‘]’ sign. Insert (paste) after the ‘[’ and place at the of the pasted text a comma. (,) Save the the file.
Before using the script you must at the op the ip-addr of your tvheadend server. First it searches for the tagid of the radio channels and the it performs a curl to get all the channels with the founded tagid. You can also add for example channel numbers (ex. music tv stations).
To see the tagid’s run:
curl -s http://${IP}:${PORT}/playlist/tags

#<—%—>

#!/bin/bash
#
# IP of tvheadend server
#
IP="192.168.178.240"
PORT="9981"
TVH_USER=hts
#
# Use it and modified freely
# Louis Mulder
#
# Example regexp (sed format) for more than one radio tags
#
#TAG_RADIO_STRINGS_REGEXP='\(Radio channels\)\|\(Ziggo\)'
#
TAG_RADIO_STRINGS_REGEXP='\(Radio channels\)'
RANGES='{601..613} 538' 
#
#http://192.168.178.240:9981/playlist/tagid/901578936?profile=pass #EXTINF:-1 type="playlist",Radio channels
#
PLAYLIST_TAGS=`curl -s http://${IP}:${PORT}/playlist/tags |sed \
                -e '/EXTM3U/d' \
                -e 'N;s/\n/ /'  \
                -e '/'"${TAG_RADIO_STRINGS_REGEXP}"'/!d'\
                -e 's/\(^.*tagid\)\([/]\)\(..*\)\(\?.*$\)/\3/'
                `

FIRST=0
for tag in ${PLAYLIST_TAGS}
 do
      curl -s http://${IP}:${PORT}/playlist/tagid/${tag}
      for i in ${RANGES}
      do
         for chno in `eval echo ${i}`
         do
           OUT="`curl -s http://${IP}:${PORT}/playlist/channelnumber/${chno}`"
           case "${OUT}" in
            #(
             *EXTINF* ) echo "${OUT}"
            ;;
            #(
            * ) :
            ;;
           esac
          done
        done
 done |expand|sed -e '/EXTM3U/d' \
                  -e 'N;s/\n/ /' \
                  -e 's/,/ tvg-name="/'\
                  -e 's/ http/" tvg-uri="&/'\
                  -e 's/ http/http/g'\
                  -e 's/\#/tvg-dummy="/'\
                  -e 's/ /"&/' \
                  -e 's/tvg-/&/g' \
                  -e 's/$/"/'\
                  -e 's/tvg-/tvg_/g' | while read line
     do
        [ "${line}" != '' ] && eval ${line} 
        if [ "${FIRST}" = "0" ] 
        then
          echo -n '['
          FIRST=1
        else
          echo ','
        fi
          echo -n '{"service": "webradio","title": "'"${tvg_name}"'","name": "'"${tvg_name}"'","uri": "'"${tvg_uri}"'","icon": "'"${tvg_logo}"'"}'
      done
   echo ']'

Save the script as get-radiochannels.sh, chmod 755 get-radiochannels.sh and run it as; ./get-radiochannels.sh output will appear on stdout.

Regards Louis