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https://github.com/koreader/koreader.git
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ed76aa78f4
1. Emit the list of attached files first and then emit each individual attachment one per page. 2. Use hyperlinks in the list of attached files so one can jump directly to the file which he wants to extract.
119 lines
2.9 KiB
Bash
Executable File
119 lines
2.9 KiB
Bash
Executable File
#!/bin/bash
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#
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# pdfattach --- embed specified file(s) in a specified PDF file
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# Requires pdfLaTeX and attachfile.sty package to run
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# Returns 0 on success or >0 on error
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#
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# Written by Tigran Aivazian <tigran@bibles.org.uk>
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#
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progname=$(basename $0)
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function escape_tex_specialchars()
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{
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local txt=$1
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local res=$(echo "$txt" | sed -e "s%_%\\\_%g")
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echo "$res"
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}
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function usage()
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{
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echo "Usage: $progname -o file.pdf file1.djvu [file2.mp3] ..."
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exit 1
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}
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if (! getopts ":o:" opt); then
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echo "$progname: Missing options." >&2
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usage
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fi
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if ! type pdflatex > /dev/null 2>&1 ; then
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echo "$progname: pdfLaTeX program is required." >&2
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exit 1
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fi
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if ! kpsewhich attachfile.sty > /dev/null 2>&1 ; then
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echo "$progname: attachfile.sty package is required." >&2
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exit 1
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fi
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declare outfile=""
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declare -a infiles=()
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declare -a infiles_texclean=()
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declare -a infilesize=()
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declare -i infcount=0 outfcount=0 totalsize=0
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while getopts ":o:" opt; do
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case $opt in
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o)
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outfile=$(readlink -f "$OPTARG")
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((outfcount++))
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;;
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\?)
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echo "$progname: Invalid option: -$OPTARG" >&2
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usage
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;;
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:)
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echo "$progname: Option -$OPTARG requires an argument." >&2
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usage
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;;
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esac
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done
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shift $((OPTIND-1))
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numargs=$#
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for ((i=1 ; i <= $numargs ; i++))
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do
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fullname=$(readlink -f "$1")
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if [ ! -f "$fullname" ] ; then
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echo "$progname: file \"$fullname\" does not exist" >&2
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usage
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fi
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infiles[$infcount]="$fullname"
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infiles_texclean[$infcount]=$(escape_tex_specialchars $(basename "${infiles[$infcount]}"))
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infilesize[$infcount]=$(stat --print="%s" "$fullname")
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((totalsize=totalsize+${infilesize[$infcount]}))
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((infcount++))
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shift
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done
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if ((infcount == 0)) ; then
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echo "$progname: No input file(s) specified." >&2
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usage
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fi
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if ((outfcount != 1)) ; then
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echo "$progname: One (and only one) output file must be specified." >&2
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usage
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fi
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workdir=$(mktemp --tmpdir -d pdfattach.XXXXXX)
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cd $workdir
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> tmp.tex
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# emit TeX preamble
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echo -E "\documentclass{book}" >> tmp.tex
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echo -E "\usepackage[margin={1mm},papersize={9cm,12cm}]{geometry}" >> tmp.tex
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echo -E "\usepackage{hyperref,attachfile}" >> tmp.tex
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echo -E "\begin{document}" >> tmp.tex
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echo -E "\tolerance=10000\pagestyle{empty}\fontsize{7}{13}\selectfont" >> tmp.tex
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# emit the list of all files
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for ((i = 0 ; i < ${#infiles[*]} ; i++));
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do
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echo -E "\noindent \hyperlink{L$i}{$((i+1))/${infcount}} \texttt{${infiles_texclean[$i]}} (${infilesize[$i]} bytes)" >> tmp.tex
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echo >> tmp.tex
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done
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echo -E "\noindent Total size $totalsize bytes\newpage" >> tmp.tex
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# now emit all the attachments, one per page
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for ((i = 0 ; i < ${#infiles[*]} ; i++));
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do
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echo -E "\noindent\hypertarget{L$i}$((i+1))/${infcount}\\\\\texttt{${infiles_texclean[$i]}} (\textattachfile[color={0 0 0}]{${infiles[$i]}}{${infilesize[$i]} bytes})\newpage" >> tmp.tex
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done
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echo -E "\end{document}" >> tmp.tex
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pdflatex -halt-on-error tmp.tex > /dev/null && mv tmp.pdf "$outfile"
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cd - > /dev/null
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rm -rf $workdir
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