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#!/usr/bin/env bash
# This script prepares a `hacker-laws.md` file which is in a format ready to be
# exported to PDF or other formats for an e-book.

# Create the frontmatter.
cat << EOF > frontmatter.md
---
title: "Hacker Laws"
author: "Dave Kerr, github.com/dwmkerr/hacker-laws"
subtitle: "Laws, Theories, Principles and Patterns that developers will find useful."
---
EOF

# Combine the frontmatter and the laws.
cat frontmatter.md README.md >> hacker-laws.md

# Remove the title - we have it in the front-matter of the doc, so it will
# automatically be added to the PDF.
sed -i'' '/💻📖.*/d' hacker-laws.md

# We can't have emojis in the final content with the PDF generator we're using.
sed -i'' 's/❗/Warning/' hacker-laws.md

# Now rip out the translations line.
sed -i'' '/^\[Translations.*/d' hacker-laws.md

# # Now rip out any table of contents items.
sed -i'' '/\*.*/d' hacker-laws.md
sed -i'' '/    \*.*/d' hacker-laws.md

# Delete everything from 'Translations' onwards (we don't need the translations
# lists, related projects, etc).
sed -i'' '/## Translations/,$d' hacker-laws.md