Download script for the SICP videos

download-sicp-videos.sh

#!/bin/bash
set -e

#DOWNLOAD_COMMAND='curl -s -S -C - -L -O'
DOWNLOAD_COMMAND='wget --quiet --continue'
SIMULTANEOUS_DOWNLOADS=3

one-word-per-line() {
    xargs -n 1 echo $@
}

urlify() {
    awk '{ print "http://archive.org/download/MIT_Structure_of_Computer_Programs_1986/lec" $1 ".mp4" }'
}

special-cases-urlify() {
    awk '{ print "http://archive.org/download/MIT_Structure_of_Computer_Programs_1986/Lec" $1 ".mp4" }'
}

list() {
    echo {1..9}a {1..5}b {7..10}b | one-word-per-line | sort -n | urlify
    echo 6b 10a | one-word-per-line | special-cases-urlify
}

download() {
  xargs -n 1 -P $SIMULTANEOUS_DOWNLOADS $DOWNLOAD_COMMAND $1
}

list | download

Hm.. Resuming downloads using cURL wasn't exactly flawless...

Crap. It does not work with lecture 10a (That one is apparently named Lec10a.mp4 and not lec10a.mp4...). The same goes for Lec6b.mp4. Now the script isn't as elegant... =/