Add pdf-clean.sh

scripts/.local/bin/pdf-clean.sh

@@ -0,0 +1,12 @@
+#!/usr/bin/env dash
+
+pdftk "$1" dump_data_utf8 output meta.txt
+sed -i 's/^InfoValue:.*$/InfoValue:/g' meta.txt
+pdftk "$1" update_info meta.txt output "$1.clean.pdf"
+
+exiftool -q -all:all= "$1.clean.pdf"
+qpdf --linearize --replace-input "$1.clean.pdf"
+
+rm -f meta.txt "$1.clean.pdf_original"
+
+echo "$1.clean.pdf"