initial script

This commit is contained in:
Martin Putzlocher 2025-07-13 21:05:21 +00:00
parent bbcfb12b58
commit 0b7415610e

38
my_pdf2pngs.sh Normal file
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#!/bin/bash
# Check if a PDF file is provided as an argument
if [ -z "$1" ]; then
echo "Usage: $0 <input_pdf_file>"
exit 1
fi
# Set input PDF filename from the argument
input_pdf="$1"
b=$(basename $input_pdf .pdf)
# Output directory for PNG files
output_dir="./output/"
# Ensure the output directory exists
mkdir -p "$output_dir"
echo "Converting $input_pdf to PNG files..."
# Use ImageMagick's convert command to loop through PDF pages and save each as a separate PNG file
string=$(pdfinfo "$input_pdf" | grep "Pages")
echo $string
number_regex="[0-9]+"
if [[ $string =~ $number_regex ]]; then
# echo ${BASH_REMATCH[0]}
number=${BASH_REMATCH[0]}
echo "number of pages $number"
fi
for page in $(seq -w 1 $number ); do
echo "Processing page $page"
proc_page=$(($page - 1))
echo "$proc_page"
magick convert -density 150 "$input_pdf[${proc_page}]" "$output_dir/${b}_page_${page}.png"
done
echo "Conversion complete."