md-pdf.sh

#!/bin/bash

# sudo apt install -y pandoc texlive-latex-base texlive-xetex
# Script: md_to_pdf.sh
# Description: Convert Markdown files to PDF using pandoc.

# Function to display usage
usage() {
    echo "Usage: $0 [-o output_directory] file1.md [file2.md ...]"
    exit 1
}

# Default output directory is current directory
OUTPUT_DIR="."

# Parse options
while getopts ":o:" opt; do
    case ${opt} in
        o )
            OUTPUT_DIR="$OPTARG"
            ;;
        \? )
            echo "Invalid Option: -$OPTARG" >&2
            usage
            ;;
        : )
            echo "Option -$OPTARG requires an argument." >&2
            usage
            ;;
    esac
done
shift $((OPTIND -1))

# Check if at least one file is provided
if [ "$#" -lt 1 ]; then
    usage
fi

# Check if pandoc is installed
if ! command -v pandoc &> /dev/null; then
    echo "Error: pandoc is not installed. Please install pandoc to use this script."
    exit 1
fi

# Check if LaTeX is installed (optional, for better PDF output)
if ! command -v pdflatex &> /dev/null; then
    echo "Warning: pdflatex is not installed. Pandoc will use its default PDF engine, which may have limited formatting."
    echo "For better PDF output, consider installing LaTeX (e.g., TeX Live)."
fi

# Create output directory if it doesn't exist
mkdir -p "$OUTPUT_DIR"

# Convert each Markdown file to PDF
for md_file in "$@"; do
    if [[ "$md_file" == *.md ]]; then
        filename=$(basename "$md_file" .md)
        output_pdf="$OUTPUT_DIR/$filename.pdf"
        echo "Converting $md_file to $output_pdf..."

        pandoc "$md_file" --pdf-engine=xelatex -o "$output_pdf"
        # pandoc "$md_file" --pdf-engine=wkhtmltopdf -o "$output_file"

        if [ $? -eq 0 ]; then
            echo "Successfully converted $md_file to $output_pdf."
        else
            echo "Failed to convert $md_file."
        fi
    else
        echo "Skipping $md_file: Not a Markdown file."
    fi
done