Youtube video downloader

#On Arch Linux | should work similarly on other Linux distros too.

#Installing youtube-dl binary
pacman -S youtube-dl

#Installing ffmpeg for necessary transcoding (optional)
pacman -S ffmpeg


#We need to list the available format (for that Youtube video) numbers
youtube-dl -F "youtube URL"


#To download the video file in mp4 format
wget -O "filename.mp4" $( youtube-dl -g -f "format-number" "youtube URL" )


# ex: with format number = 18 as mp4. This will be obtained upon executing youtube-dl -F "youtube URL".
wget -O "tanhadil.mp4" $( youtube-dl -g -f "18" "https://www.youtube.com/watch?v=uQ88ZRODkiE&feature=kp" )


# example of two bengali movie downloads

wget -O "Phoring.mp4" $( youtube-dl -g -f "18" "https://www.youtube.com/watch?v=NfhqsQ9rLLk" )

wget -O "Baishey Srabon.mp4" $( youtube-dl -g -f "18" "https://www.youtube.com/watch?v=0i8FDGtOrqU" )


#To extract the audio file from an mp4 video file
ffmpeg -i filename.mp4 -ab 160k -ac 2 -ar 44100 -vn filename.mp3