FOSS@BPHC solution

Description

This program written in C++ allows the user to enter a url of a YouTube playlist and

1. Save the urls of all the videos in the playlist in a file called 'address.txt'
2. Download all the videos into a specified folder

Install the following dependencies/tools (instructions only for Ubuntu)

1. curl

sudo apt-get update
sudo apt-get install libcurl4-gnutls-dev

curl is a cross-platform command line tool to transfer data from or to a server using URL syntax.
libcurl is a free client-side URL transfer library.

2. youtube-dl

sudo apt-get install youtube-dl

youtube-dl is a small command-line program to download videos from YouTube.com and a few more sites. It requires the Python interpreter, version 2.6, 2.7, or 3.2+, and it is not platform specific. It should work on your Unix box, on Windows or on Mac OS X. (Source)

Compiling the program

g++ videos.cpp -lcurl

Executing the program

./a.out playlistURL [downloads directory path]