yt

#!/bin/sh
#!/bin/bash
# Created by FahimAnayet

Help()
{
	# Display Help
	echo "Hi, I'm your helping hand!"
	echo
	echo "Syntax: scriptTemplate [-s|-l|h]"
	echo "options:"
	echo "s		Shows all available subtitle options." 
	echo "l     Download selected subtitle"
	echo "h     Help"
	echo ""
	echo "Examples:"
	echo "yt -s <link> [this will show all available subtitles]"
	echo "yt -s <en|bn|lang> <video code><audio code><link><splits no.> [this will download your desire video+audio and external subtitle.]"
	echo "yt -l <en|bn|lang> <link> [this will download only subtitle]"
	echo "yt <link> [this will show you available video and audio formats and codes, If link is an m3u8 it will start downloading the file.]"
	echo "yt <video|audio code> <link> [this will download your selected video or audio only]"
	echo "yt <video code> <audio code> <link> [this will download video and audio (no subtitle)]"
	echo "yt -h Help menu"
	echo "For extra example read the readme here: https://github.com/FahimAnayet/youtube-dl-aria2/blob/master/README.md"
}

while [[ $# -gt 0 ]]
do
    case "$1" in
    -s)
		if [[ -z "$3" ]]; then
			youtube-dl --list-subs $2
			shift
			break;
		else
		  youtube-dl --write-sub --write-auto-sub --sub-lang=$2 -f $3+$4 $5 --external-downloader aria2c --external-downloader-args "-x $6 -k 1M"
		fi
			shift
			break;
      ;;
	-l)
			youtube-dl --write-sub --write-auto-sub --sub-lang=$2 --skip-download $3	
			shift
			break;
	;;
	-h)
		Help
		exit
	;;
    *)
	  if [ -z "$2" ]
	  then
		  if [[ "$1" == *".m3u8"* ]]; then
			  youtube-dl --verbose --hls-prefer-native --fixup never $1
		  else
			  youtube-dl -F $1
		  fi
	  elif [ -z "$4" ]
	  then
		  youtube-dl -f $1 $2 --external-downloader aria2c --external-downloader-args "-x $3 -k 1M"
	  else
		  youtube-dl -f $1+$2 $3 --external-downloader aria2c --external-downloader-args "-x $4 -k 1M"
	  fi
	  shift
	  break;
	  ;;
  esac
done