42-extract.sh

#!/usr/bin/env bash

# Extracts thing from here: http://www.unforgettable.dk/

cat <<EOF
If you are not on a file system with features such as compression or
de-duplication, you will most likely run out of space! ... Unless you
happen to have 4.5PB to spare.

Will begin in 5 seconds.  ^C now to abort.
EOF

sleep 5

trap "exit 1" 2

mkcd() {
    mkdir -p "$1" || return 1
    cd "$1"
}

mkcd 42

# UnZip doesn't handle the archive encryption, but 7z does
7z e -p42 ../42.zip

for lib in {0..9} {a..f}; do
    mkcd "lib $lib"
    unzip -q "../lib $lib.zip"

    for book in {0..9} {a..f}; do
        mkcd "book $book"
        unzip -q "../book $book.zip"

        for chapter in {0..9} {a..f}; do
            mkcd "chapter $chapter"
            unzip -q "../chapter $chapter.zip"

            for doc in {0..9} {a..f}; do
                mkcd "doc $doc"
                unzip -q "../doc $doc.zip"

                for page in {0..9} {a..f}; do
                    mkcd "page $page"
                    echo "Extracting \"lib $lib/book $book/chapter $chapter/doc $doc/page $page/0.dll\""
                    unzip -q "../page $page.zip"

                    cd ..
                done # page
                cd ..
            done # doc
            cd ..
        done # chapter
        cd ..
    done # book
    cd ..
done # lib