1 #!/bin/sh

     2 #

     3 # (cc) Peter Gervai, 2011

     4 # cc-by-sa-3.0

     5 #

     6 # remove private info from PDFs

     7 #

     8 

     9 if [ "$1" == "" ]; then

    10 	echo " "

    11 	echo "pdf metadata cleaner v1.00 by Peter 'grin' Gervai, 2011"

    12 	echo " "

    13 	echo "Usage: $0 filename.pdf"

    14 	echo " "

    15 	exit 0

    16 fi 

    17 

    18 T=`mktemp /tmp/pdfanon.XXXXXXXX`

    19 

    20 # clean and dump InfoKeys

    21 pdftk "$1" dump_data |  awk '/InfoValue/ {print $1}; !/InfoValue/ {print }' > $T

    22 # update empty keys in pdf

    23 pdftk "$1" update_info $T output "$1_new.pdf"

    24 mv "$1" "$1.bak"

    25 mv "$1_new.pdf" "$1"

    26 echo  "$1.pdf written, old one renamed to $1.bak. Have a nice day!"

    27 

    28 rm $T