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27 lines
603 B
Plaintext
27 lines
603 B
Plaintext
9 years ago
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#!/bin/bash
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# join pdfs and insert an empty (one-page) pdf for pdfs with an odd page number
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# create an empty (one-page) pdf
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emptypdf="$(mktemp -u /tmp/pdfjoin-aligned-XXXXXX).pdf"
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echo -ne "0 0 moveto\n() show\n" | ps2pdf - "$emptypdf"
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# go through pdfs
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declare -a pdfs
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for pdf in "$@"; do
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pdfs+=("$pdf")
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# is it odd or not?
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pages=$(pdfinfo "$pdf" | awk '{ if (/^Pages:/) { print $2 } }')
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odd=$(($pages % 2))
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if [ "$odd" = "1" ]; then
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pdfs+=("$emptypdf")
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fi
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done
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# join!
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out="$(mktemp -u /tmp/joined-XXXXXX).pdf"
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pdfjoin --outfile "$out" "${pdfs[@]}"
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# cleanup
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rm -f "$emptypdf"
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