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koreader/utils/pdfattach
Tigran Aivazian 15d6f7e851 Add "-a author" option
This option is useful when creating a PDF file with embedded collection
by the same author. Then one can specify the author on the command line
and it will be shown correctly instead of the email address in Amazon's
Personal Documents area.
2012-11-26 12:59:39 -05:00

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#!/bin/bash
#
# pdfattach --- embed specified file(s) in a specified PDF file
# Requires pdfLaTeX and attachfile.sty package to run
# Returns 0 on success or >0 on error
#
# Written by Tigran Aivazian <tigran@bibles.org.uk>
#
progname=$(basename $0)
function escape_tex_specialchars()
{
local txt=$1
local res=$(echo "$txt" | sed -e "s%_%\\\_%g" -e "s%&%\\\&%g")
echo "$res"
}
function usage()
{
echo "Usage: $progname -o file.pdf [-a author] file1.djvu [file2.mp3] ..."
exit 1
}
if (! getopts ":o:" opt); then
echo "$progname: Missing options." >&2
usage
fi
if ! type pdflatex > /dev/null 2>&1 ; then
echo "$progname: pdfLaTeX program is required." >&2
exit 1
fi
if ! kpsewhich attachfile.sty > /dev/null 2>&1 ; then
echo "$progname: attachfile.sty package is required." >&2
exit 1
fi
declare outfile=""
declare -a infiles=()
declare -a infiles_texclean=()
declare -a infilesize=()
declare -i infcount=0 outfcount=0 totalsize=0
declare author=""
while getopts ":o:a:" opt; do
case $opt in
a)
author="$OPTARG"
;;
o)
outfile=$(readlink -f "$OPTARG")
((outfcount++))
;;
\?)
echo "$progname: Invalid option: -$OPTARG" >&2
usage
;;
:)
echo "$progname: Option -$OPTARG requires an argument." >&2
usage
;;
esac
done
shift $((OPTIND-1))
numargs=$#
for ((i=1 ; i <= $numargs ; i++))
do
fullname=$(readlink -f "$1")
if [ ! -r "$fullname" ] ; then
echo "$progname: cannot access the file \"$fullname\"" >&2
usage
fi
infiles[$infcount]="$fullname"
infiles_texclean[$infcount]=$(escape_tex_specialchars $(basename "${infiles[$infcount]}"))
infilesize[$infcount]=$(stat --print="%s" "$fullname")
((totalsize=totalsize+${infilesize[$infcount]}))
((infcount++))
shift
done
if ((infcount == 0)) ; then
echo "$progname: No input file(s) specified." >&2
usage
fi
if ((outfcount != 1)) ; then
echo "$progname: One (and only one) output file must be specified." >&2
usage
fi
workdir=$(mktemp --tmpdir -d pdfattach.XXXXXX)
cd $workdir
> tmp.tex
# emit TeX preamble
echo -E "\documentclass{book}" >> tmp.tex
echo -E "\usepackage[margin={1mm},papersize={9cm,12cm}]{geometry}" >> tmp.tex
echo -E "\usepackage{hyperref,attachfile}" >> tmp.tex
if [ ! -z "$author" ] ; then
echo -E "\AtBeginDocument{\hypersetup{pdfauthor={$author}}}" >> tmp.tex
fi
echo -E "\begin{document}" >> tmp.tex
echo -E "\tolerance=10000\pagestyle{empty}\fontsize{7}{13}\selectfont" >> tmp.tex
# emit the list of all files
for ((i = 0 ; i < ${#infiles[*]} ; i++));
do
echo -E "\noindent \hyperlink{L$i}{$((i+1))/${infcount}} \texttt{${infiles_texclean[$i]}} (${infilesize[$i]} bytes)" >> tmp.tex
echo >> tmp.tex
done
echo -E "\noindent Total size $totalsize bytes\newpage" >> tmp.tex
# now emit all the attachments, one per page
for ((i = 0 ; i < ${#infiles[*]} ; i++));
do
echo -E "\noindent\hypertarget{L$i}$((i+1))/${infcount}\\\\\texttt{${infiles_texclean[$i]}} (\textattachfile[color={0 0 0}]{${infiles[$i]}}{${infilesize[$i]} bytes})\newpage" >> tmp.tex
done
echo -E "\end{document}" >> tmp.tex
pdflatex -halt-on-error tmp.tex > /dev/null && mv tmp.pdf "$outfile"
cd - > /dev/null
rm -rf $workdir