Download all lectures and videos from a Coursera class you are enrolled in.

download-coursera-course.sh

#!/bin/bash  -e   
#title          :   download-coursera-course.sh
#description    :   Download all lectures and videos from a Coursera class you are enrolled in.
#forked from    :   https://link.medium.com/agVPPIsauT
#author         :   ef0ntan
#usage          :   ./download-coursera-course.sh -c <class-name> -d <download_dir> -i
#parameters     :
# -c            :   Coursera class name in the URL. For example, for "concurrent-programming-in-java"
#                   Name used in the URL for class: https://www.coursera.org/learn/<CLASS_NAME>/home/welcome
# -d            :   [OPTIONAL] Directory to download clasee files. Default is ~/Coursera/Classes/
# -i            :   [OPTIONAL] Download and install coursera-dl files.

OFF='\033[0m'				# Color off
RED='\033[0;31m'			# Red
GREEN='\033[0;32m'			# Green

INSTALL_DIR=~/bin/coursera-dl
USER_DIR=$(eval echo "~$USER")
DOWNLOAD_DIR=$USER_DIR/Coursera/Classes/
COURSE_NAME=""
INSTALL=false

usage() {
  echo -e "${RED}Usage: ./download-coursera-course.sh -c <class-name> [-d <download_dir>] [-i]${OFF}"
}

while getopts 'd:c:i' opt; do
  case "$opt" in 
    d)
      DOWNLOAD_DIR="$OPTARG" ;;
    c)
      COURSE_NAME="$OPTARG" ;;
    i)
      INSTALL=true ;;
    *)
      usage
      exit 1
      ;;
  esac
done
shift "$(($OPTIND -1))"

if [ "$INSTALL" = true ] ; then
    echo -e "${GREEN}Installing coursera-dl files.${OFF}"
    rm -rf $INSTALL_DIR
    mkdir -p $INSTALL_DIR
    cd $INSTALL_DIR
    git clone https://github.com/coursera-dl/coursera-dl .
    pip3 install -r requirements.txt
    pip3 install -r requirements-dev.txt
    
    echo -e "${GREEN}"
    read -p 'Please enter your Coursera email: ' EMAIL
    read -sp 'Please enter your Coursera password: ' PASS
    echo -e "${OFF}"
    echo
    echo -e "${GREEN}Creating coursera-dl.conf file...${OFF}"
    echo
    cat > coursera-dl.conf <<EOL
--username $EMAIL
--password $PASS
--subtitle-language en
--download-quizzes
--path $DOWNLOAD_DIR
EOL
fi

mkdir -p $DOWNLOAD_DIR

echo -e "${GREEN}Downloading ${COURSE_NAME} files to ${DOWNLOAD_DIR}${OFF}"

$INSTALL_DIR/coursera-dl $COURSE_NAME

echo -e "${GREEN}Download files complete.${OFF}"