initial script

my_pdf2pngs.sh

@@ -0,0 +1,38 @@
+#!/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."