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adds check for files in make script

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This commit is contained in:
Michael Beck
2025-03-28 16:53:11 +01:00
parent d2cf9c9f51
commit 75619808b3
2 changed files with 28 additions and 2 deletions
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27
modify-pdf.sh
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@ -17,6 +17,30 @@ input_pdf="$1"
insert_pdf="$2"
output_pdf="$3"
# Check if input and insert PDFs exist
if [ ! -f "$input_pdf" ]; then
echo "Error: Input PDF '$input_pdf' not found."
exit 1
fi
if [ ! -f "$insert_pdf" ]; then
echo "Error: Insert PDF '$insert_pdf' not found. Deleting the last page from input PDF."
# Get the number of pages in the input PDF
num_pages=$(pdftk "$input_pdf" dump_data | grep NumberOfPages | awk '{print $2}')
if [ -z "$num_pages" ] || [ "$num_pages" -le 1 ]; then
echo "Error: Input PDF has insufficient pages or unable to determine the number of pages."
exit 1
fi
# Remove the last page and save as output
pdftk "$input_pdf" cat 1-$(($num_pages - 1)) output "$output_pdf"
echo "Removed the last page from '$input_pdf' and saved as '$output_pdf'."
exit 1
fi
# Get the number of pages in the input PDF
num_pages=$(pdftk "$input_pdf" dump_data | grep NumberOfPages | awk '{print $2}')
@ -34,4 +58,5 @@ pdftk temp_removed_last.pdf "$insert_pdf" cat output "$output_pdf"
# Clean up temporary files
rm -f temp_removed_last.pdf
echo "Successfully created $output_pdf by replacing the last page with $insert_pdf."
# Success message
echo "Successfully created '$output_pdf' by replacing the last page with '$insert_pdf'."