dunkirk.sh
downloads cedarville publishing books as pdf
1#!/bin/bash
2set -e
3
4echo "================================================"
5echo "Cedarville Cybersecurity Textbook PDF Creator"
6echo "================================================"
7echo ""
8
9# Colors for output
10GREEN='\033[0;32m'
11BLUE='\033[0;34m'
12NC='\033[0m' # No Color
13
14# Get the directory where this script is located
15SCRIPT_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
16cd "$SCRIPT_DIR"
17
18# Step 1: Setup virtual environment
19echo -e "${BLUE}[Step 1/6] Setting up Python virtual environment...${NC}"
20if [ ! -d "venv" ]; then
21 python3 -m venv venv
22 echo "✓ Virtual environment created"
23else
24 echo "✓ Virtual environment already exists"
25fi
26
27source venv/bin/activate
28
29# Step 2: Install Python dependencies
30echo -e "${BLUE}[Step 2/6] Installing Python dependencies...${NC}"
31pip install -q --upgrade pip
32pip install -q -r requirements.txt
33echo "✓ Python packages installed"
34
35# Step 3: Install Playwright browsers
36echo -e "${BLUE}[Step 3/6] Installing Playwright browsers...${NC}"
37if [ ! -d "$HOME/.cache/ms-playwright" ]; then
38 python -m playwright install chromium
39 echo "✓ Playwright browser installed"
40else
41 echo "✓ Playwright browser already installed"
42fi
43
44# Step 4: Download page layers (SVG + WebP)
45echo -e "${BLUE}[Step 4/6] Downloading page layers...${NC}"
46if [ ! -d "svg_layers" ] || [ ! -d "webp_highres" ]; then
47 echo "This will download 340 pages (SVG + high-res WebP)"
48 echo "Estimated time: 10-15 minutes"
49 echo ""
50 python download_layers.py
51 echo -e "${GREEN}✓ All page layers downloaded${NC}"
52else
53 echo "✓ Page layers already downloaded"
54fi
55
56# Step 5: Create PDF
57echo -e "${BLUE}[Step 5/5] Creating PDF with vector text...${NC}"
58if [ ! -f "Invitation_to_Cybersecurity.pdf" ]; then
59 echo "This will create PDF with embedded vector text"
60 echo "Estimated time: 30-60 seconds"
61 echo ""
62 python create_pdf.py
63 echo -e "${GREEN}✓ PDF created with selectable text!${NC}"
64else
65 echo "✓ PDF already exists"
66 read -p "Recreate PDF? (y/N): " recreate
67 if [[ $recreate =~ ^[Yy]$ ]]; then
68 rm Invitation_to_Cybersecurity.pdf
69 python create_pdf.py
70 echo -e "${GREEN}✓ PDF recreated${NC}"
71 fi
72fi
73
74echo ""
75echo -e "${GREEN}================================================${NC}"
76echo -e "${GREEN}✓ Complete!${NC}"
77echo -e "${GREEN}================================================${NC}"
78echo ""
79echo "Output files:"
80if [ -f "Invitation_to_Cybersecurity.pdf" ]; then
81 SIZE=$(du -h "Invitation_to_Cybersecurity.pdf" | cut -f1)
82 echo " 📄 Invitation_to_Cybersecurity.pdf ($SIZE) [vector text + high-res images]"
83fi
84echo ""
85echo "✨ Text is embedded as vectors - selectable and searchable!"
86echo ""