Pocket Euler hacks

add_answer.py

import sys

def load_answers(answer_filename):
    answers = {}
    lines = open(answer_filename).readlines()
    for line in lines:
        problem, answer = line.strip().split(': ')
        answers[int(problem)] = answer
    return answers

def add_answers(markdown_filename, answers):
    lines = open(markdown_filename).readlines()
    new_lines = []
    for line in lines:
        if line.startswith('# Soal '):
            problem = line[7:].strip()
            problem = int(problem)
            if problem - 1 in answers:
                new_lines.append('Answer: %s\n\n' % answers[problem - 1])

        new_lines.append(line)

    new_lines.append('Answer: %s\n' % answers[480])

    with open(markdown_filename, 'w') as f:
        for line in new_lines:
            f.write(line)

if __name__ == '__main__':
    answers = load_answers(sys.argv[1])
    add_answers(sys.argv[2], answers)

create_answers.sh

grep -E '^(# Problem|\s*Answer:)' README.md | sed -e 's/^#*\s*//g' | awk 'BEGIN {print "\n"} /Problem/ {printf("\n%s", $2)} /Answer/{ print(":", $2) }' | grep -v '^$' > files/answers.txt

to_pocket.sh

for file in _posts/problems/* ; do cat $file ; done > all.md
sed -i '/^layout:\s*problem/d' all.md
sed -i '/^category:\s*problems/d' all.md
sed -i '/^difficulty:\s*[0-9]/d' all.md
sed -i '/^title:\s*/d' all.md
sed -i '/^answer:\s*[0-9]*/d' all.md
sed -Ei "/dir: '{0,1}rtl'{0,1}/d" all.md
sed -i 's/^----*\s*$//' all.md
sed -i 's/^problemId:\s*\([0-9]*\)\s*$/# Soal \1/' all.md

cp all.md all.md.p2
sed -Ei 's/<img src="images\/(spacer|blackdot).gif"[^>]*>//g;/<img .*src/{s/style="[^"]*"//g;s/<img *src=.{0,1}\{\{ site.baseurl \}\}project\/images\/([^"'\'' >]*)[^>]*>/![](files-v1\/\1)/g;}' all.md.p2

sed -Ei 's/\(\{\{ site.baseurl \}\}project\/(images|resources)\/([^)]*)\)/(files-v1\/\2)/g' all.md.p2

sed -i 's/<a href="problem=\([0-9]*\)">Problem \([0-9]*\)<\/a>/<a href="#soal-\1">Soal \2<\/a>/g' all.md.p2

sed -i 's/<a href="problem=\([0-9]*\)">Problem \([0-9]*\)<\/a>/<a href="#soal-\1">Soal \2<\/a>/g' all.md.p2

remark all.md.p2 > all.md.new
diff -u all.md all.md.new | less