INF4420a_PDF_to_md

# Disclaimer, not tested yet, I did the equivalent in vim.

# curl/wget this: https://moodle.polymtl.ca/pluginfile.php/69155/mod_folder/content/0/INF4420a%20intra%20A2014_version%20AAAA0001%20avec%20solution.pdf?forcedownload=1
# Copy the text in it, from the 1st question to the last.
# Remove Q5 and Q6 because they didn't survived the Ctrl-C Ctrl-V.
# Then

#          1st regex                      2nd regex                 3rg regex   4th regex                 Buffer (not avail on all system)
sed -ir -e 's/(^[0-9]{0,2}\..*)/\n\1/g' -e 's/^[a-e]/\ [ ] \1/g' -e '/^INF/d' -e '/^Poly/d'  <FILENAME> | sponge <FILENAME>
# -r on BSD (so OSX) is -E
# -i is probably a gnu extension
# If sponge is not available, just redirect to a temporary file, and rename the tmp file to <FILENAME> afterward.
#
# Regex explanations:
# 1. Add a newline before every line that begins by "X." or "XX." where X is a digit.
# 2. Add " [ ] " in front of every line that begins by "X." where X is a letter betwen 'a' and 'e' inclusivly.
# 3 and 4. Delete lines starting with "INF" and "Poly" respectivly.