A script for quickly editing PDF metadata with pdftk and TextMate.

pdf-meta.bash

#!/usr/bin/env bash
subject="$1"
name="$(basename "$subject")"
path="$(dirname "$subject")"
tmp_new="$path/__tmp_new_$name"
tmp_meta="$path/__tmp_meta_$name.txt"

echo "Dumping metadata..." &&
    pdftk "$subject" dump_data > "$tmp_meta" &&
echo "Opening metadata..." &&
    mate -w "$tmp_meta" &&
echo "Writing new PDF..." &&
    pdftk "$subject" update_info "$tmp_meta" output "$tmp_new" &&
echo "Removing metadata file..." &&
    rm -f "$tmp_meta" &&
echo "Trashing original PDF..." &&
    mv -f "$subject" "$HOME/.Trash/($(date)) $name" &&
echo "Placing new PDF..." &&
    mv "$tmp_new" "$subject" &&
echo "Done."