IPTV_CheckM3U

#!/bin/bash

#sudo apt install -y git ffmpeg fdk-aac-dev rtmpdump vlc mpv youtube-dl aria2

#+==========================================================+#
# m3u8-link-checker check m3u8 - m3u files for working links #
#+==========================================================+#

# exit status and error codes
SUCCESS=0      # success exit code
E_WRONGARGS=65 # wrong number of arguments passed to script
E_WRONGFILE=66 # wrong file passed to script

# script usage
script_usage="Usage: $(basename "$0") [m3u8 or m3u file]"

#+========================================================+#
# check arguments passed to scripts                        #
#+========================================================+#

# check number of arguments passed to script and exit if not correct
[[ $# -eq 1 ]] || { printf "%s\n" "$script_usage"; exit "$E_WRONGARGS"; }

if [[ "$1" =~ \.m3u8?$ ]]; then        # + m3u8 file passed as first argument to script
    file="$1"                          # - filename is first argument passed to script
    outfile="${file%%.*}-checked.${file##*.}" # - get filename and extension
else
   printf "%s\n%s\n" "'$1' invalid input" "$script_usage" # + no arguments are passed to the script
   exit "$E_WRONGFILE"                 # - exit with E_WRONGFILE error code
fi

#+========================================================+#
# while read file check links with ffprobe                +#
#+========================================================+#

printf "%s\n" "Checking $file for working links"

while IFS= read -r line               # while read m3u8 or m3u file check links with ffprobe
do
  link=$(printf "%s\n" "$line" | grep -Eo '(http|https)://[a-zA-Z0-9:0-9./?=_@&%|()[:blank:],;-]*' | grep -vP '(http|https|rtmp)://[a-zA-Z0-9:0-9./?=_@&%|()[:blank:],;-]*\.[(jpg|png|gif|svg)]$')
  [[ $? -eq 0 ]] && ffprobe -hide_banner "$link"
  [[ $? -eq 0 ]] && grep -B 1 "$link" "$file" 2>/dev/null | sed -e '/--/d' >> "$outfile"
done <"$file"

# check if any working links are found
[[ -f "$outfile" ]] && sed -i '1i #EXTM3U' "$outfile" || printf "%s\n" "No working links found"

exit "$SUCCESS" # exit