Mobile data is too expensive. Kind of €10 - 15 for 5GB? Well, if you
don't mind people collecting Pfand bottles for their dinner.
Requirements:
$ grep require lib/voa.english.sh
: require bash4 lynx ruby wget linux
Examples
# Download lession 2
$ ./lib/voa-english.sh self.test \
https://learningenglish.voanews.com/a/lets-learn-english-level-2-lesson1/3960391.html
# <snip>
$ ./lib/voa.english.sh self.test https://learningenglish.voanews.com/a/lets-learn-english-lesson-22/3397314.html
:: Writting new file output/voa.english/lets-learn-english-lesson-22/new_words.txt
:: Writting new file output/voa.english/lets-learn-english-lesson-22/for_teachers.txt
:: Writting new file output/voa.english/lets-learn-english-lesson-22/conversation.txt
:: Writting new file output/voa.english/lets-learn-english-lesson-22/links.txt
--2019-02-20 04:59:19-- https://av.voanews.com/Videoroot/Pangeavideo/2016/07/5/5b/5b9f15c6-1999-4264-a270-a43c6b5dc9bb.mp4
Loaded CA certificate '/etc/ssl/certs/ca-certificates.crt'
Resolving av.voanews.com (av.voanews.com)... 23.38.13.53, 2a02:26f0:2d:1b2::131b, 2a02:26f0:2d:193::131b, ...
Connecting to av.voanews.com (av.voanews.com)|23.38.13.53|:443... connected.
HTTP request sent, awaiting response... 416 Requested Range Not Satisfiable
The file is already fully retrieved; nothing to do.
--2019-02-20 04:59:20-- https://av.voanews.com/Videoroot/Pangeavideo/2016/07/5/5b/5b9f15c6-1999-4264-a270-a43c6b5dc9bb_hq.mp4
Reusing existing connection to av.voanews.com:443.
HTTP request sent, awaiting response... 416 Requested Range Not Satisfiable
The file is already fully retrieved; nothing to do.