pdf.sh

#!/bin/bash

PATH=/usr/local/bin:/opt/homebrew/bin/:$PATH

# Check if an argument is provided
if [ -z "$1" ]; then
  echo "Usage: $0 <input-image-file>"
  exit 1
fi

# Define input and output files
input_file="$1"
output_file="${input_file%.*}.out.pdf"
temp_file="/tmp/convert_pdf/temp.jpg"

# create temporary directory if it doesn't exist
mkdir -p /tmp/convert_pdf

# Convert the image to a temporary file with a specified density
magick -density 300 "$input_file" "$temp_file"

# Check if the conversion to temporary file was successful
if [ $? -ne 0 ]; then
  echo "Error converting $input_file to $temp_file"
  exit 1
fi

# combine all the jpg pages into a single pdf
magick /tmp/convert_pdf/temp*.jpg "$output_file"

# Check if the PDF conversion was successful
if [ $? -ne 0 ]; then
  echo "Error converting $temp_file to $output_file"
  exit 1
fi

# Remove the temporary file
rm -r -f /tmp/convert_pdf

# Success message
echo "Successfully converted $input_file to $output_file"