50 lines
1.1 KiB
Plaintext
50 lines
1.1 KiB
Plaintext
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#!/usr/bin/env bash
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# Change the title of a PDF file
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if [[ -z "$1" || -z "$2" ]]; then
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echo "Usage: $0 FILE TITLE [CREATOR [PRODUCER]]"
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echo
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echo "Arguments:"
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echo " FILE Path to the PDF document"
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echo " TITLE Content of the Title tag"
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echo " CREATOR Content of the Creator tag"
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echo " PRODUCER Title to give"
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exit 1
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fi
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file="$1"
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title="$2"
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creator="$3"
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producer="$4"
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if [ ! -f "$1" ]; then
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echo "No such file or directory: $1" >> /dev/stderr
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exit 2
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fi
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instructions=$(mktemp)
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echo "InfoBegin" >> "$instructions"
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echo "InfoKey: Title" >> "$instructions"
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echo "InfoValue: $title" >> "$instructions"
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if [ -n "$creator" ]; then
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echo "InfoBegin" >> "$instructions"
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echo "InfoKey: Creator" >> "$instructions"
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echo "InfoValue: $creator" >> "$instructions"
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fi
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if [ -n "$producer" ]; then
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echo "InfoBegin" >> "$instructions"
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echo "InfoKey: Producer" >> "$instructions"
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echo "InfoValue: $producer" >> "$instructions"
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fi
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copy=$(mktemp)
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cp "$file" "$copy"
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pdftk "$copy" update_info "$instructions" output "$file"
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rm "$instructions" "$copy"
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