make_epub.sh

#!/bin/bash
LIST=$(cat SUMMARY.md|grep -oe "[^(]*md"|sed ':a;N;$!ba;s/\n/ /g'|sed 's/ ^//')
mkdir tmp
for file in $LIST
do
cp $file tmp/
done
mv $(echo $LIST|python3 map.py) tmp/dmp.json
cp -r img tmp/
cd tmp
sed -i "s#\.\./#https://doc.rust-lang.org/#g" $LIST
for file in $(echo $LIST)
do
  sed -E -i 's/(('$(echo $LIST|sed 's/ /)|(/g'|sed 's/md/html/g')'))#/#/g' $file
  sed -E -i 's/('$(echo $LIST|sed 's/ /)|(/g'|sed 's/md/html/g')')/!!REPLACE!!\0!!REPLACE!!/g' $file
  sed -E -i 's/```rust.*/```rust/g' $file
done
python3 ../prep.py
wget https://nostarch.com/sites/default/files/styles/uc_product_full/public/Rust2018_front.png
cat << 'EOF' > metadata.txt
---
title: The Rust Programming Language  
author:
- Steve Klabnik
- Carol Nichols
identifier:
- scheme: ISBN-13
- text: 9781718500440
lang: en-US
cover-image: Rust2018_front.png
...
EOF
pandoc $(echo $@) -o TRPL.epub metadata.txt $(echo $LIST)

map.py

import json
import time
import re
import traceback
import sys

fnames = input().split(' ')
mydict = {}
for fname in fnames:
  try:
    f = open(fname.strip(' '),'r')
    stripped = f.readline().strip('# \n')
    lowered =stripped.lower()
    mydict[fname.strip(' ')] = re.sub(r'[^a-z\-]+', '', lowered.replace(' ', '-'))
    f.close()
  except Exception as e:
    print('failed opening',fname,file=sys.stderr)
    print(traceback.format_exc(),file=sys.stderr)

t = str(int(time.time()))
f = open('dump'+t+'.json','w')
f.write(json.dumps(mydict))
f.close()
print('filename:','dump'+t+'.json',file=sys.stderr)
print('dump'+t+'.json')

prep.py

import json
import re
import traceback
import sys

regex = re.compile('!!REPLACE!!(.+?)!!REPLACE!!')
file = open('dmp.json','r')
mapping = json.loads(file.read())
file.close()
for fname in mapping.keys():
  try:
    f = open(fname,'r')
    content = f.read()
    f.close()
    f = open(fname,'w')
    result = content
    for url in regex.finditer(content):
        result = result.replace(url.group(0),'#'+mapping[url.group(1).replace('html','md')])
    f.write(result)
    f.close()
  except Exception as e:
    print('failed processing',fname,file=sys.stderr)
    print(traceback.format_exc(),file=sys.stderr)