166 lines
4.7 KiB
Bash
Executable file
166 lines
4.7 KiB
Bash
Executable file
#!/bin/sh
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# @(#$Id: rclppt,v 1.4 2008-10-08 08:27:34 dockes Exp $ (C) 2004 J.F.Dockes
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the
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# Free Software Foundation, Inc.,
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# 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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#================================================================
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# Handle powerpoint files for recoll.
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# Uses catppt from the catdoc utilities
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# (http://ftp.45.free.net/~vitus/software/catdoc/)
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# In my experience, this sometimes fail to extract text, printing "Default
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# Design" ou "format par defaut" instead and only.
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#
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#================================================================
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# set variables
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LANG=C ; export LANG
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LC_ALL=C ; export LC_ALL
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progname="rclppt"
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filetype=powerpoint
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#RECFILTCOMMONCODE
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##############################################################################
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# !! Leave the previous line unmodified!! Code imported from the
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# recfiltcommon file
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# Utility code common to all shell filters. This could be sourced at run
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# time, but it's slightly more efficient to include the code in the
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# filters at build time (with a sed script).
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# Describe error in a way that can be interpreted by our caller
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senderror()
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{
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echo RECFILTERROR $*
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# Also alert on stderr just in case
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echo ":2:$progname::: $*" 1>&2
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exit 1
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}
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iscmd()
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{
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cmd=$1
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case $cmd in
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*/*)
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if test -x $cmd -a ! -d $cmd ; then return 0; else return 1; fi ;;
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*)
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oldifs=$IFS; IFS=":"; set -- $PATH; IFS=$oldifs
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for d in $*;do test -x $d/$cmd -a ! -d $d/$cmd && return 0;done
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return 1 ;;
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esac
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}
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checkcmds()
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{
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for cmd in $*;do
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if iscmd $cmd
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then
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a=1
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else
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senderror HELPERNOTFOUND $cmd
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fi
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done
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}
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# show help message
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if test $# -ne 1 -o "$1" = "--help"
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then
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echo "Convert a $filetype file to HTML text for Recoll indexing."
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echo "Usage: $progname [infile]"
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exit 1
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fi
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infile="$1"
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# check the input file existence (may be '-' for stdin)
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if test "X$infile" != X- -a ! -f "$infile"
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then
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senderror INPUTNOSUCHFILE "$infile"
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fi
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# protect access to our temp files and directories
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umask 77
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##############################################################################
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# !! Leave the following line unmodified !
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#ENDRECFILTCOMMONCODE
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havecappt=no
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iscmd cappt && havecappt=yes
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haveunoconv=no
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iscmd unoconv && haveunoconv=yes
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iscmd pdftotext || haveunoconv=no
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if test X$havecatppt = Xno -a X$haveunoconv = Xno ; then
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# checkcmds will exit with the appropriate salutations
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checkcmds catppt unoconv pdftotext
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fi
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# This needs a temp dir because we first output pdf (outputting html
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# would produce one file per page), and pdftotext can't read from
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# stdin
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if test z"$RECOLL_TMPDIR" != z; then
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ttdir=$RECOLL_TMPDIR
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elif test z"$TMPDIR" != z ; then
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ttdir=$TMPDIR
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else
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ttdir=/tmp
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fi
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tmpdir=$ttdir/rclppt_tmp$$
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mkdir $tmpdir || exit 1
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mkdir $tmpdir/rclppttmp || exit 1
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# We have to use a directory as output parameter to unoconv. Up to
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# version 0.5, it could not use a file name for this
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unopdf=$tmpdir/rclppttmp
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cattxt=$tmpdir/rclppttmp/output.txt
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cleanup()
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{
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# Note that we're using a constant part (rclppttmp), which
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# hopefully guarantees that we can't do big mistakes here.
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rm -rf $tmpdir/rclppttmp
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rmdir $tmpdir
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}
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trap cleanup EXIT HUP QUIT INT TERM
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# Try catppt. If the output looks too small and unoconv is available,
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# use this instead. unoconv is very slow but it handles newer files
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# that catppt will not convert.
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#
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# I'm not sure of the right test for detecting catppt failure. On the
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# sample I have, it outputs Azure\n1_Azure\n\n. I don't know if Azure
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# is a good marker of failure. Anyway, it seems unlikely that a real
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# ppt would have fewer than 5 lines
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catppt -d utf-8 "$infile" > $cattxt
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lines=`wc -l < $cattxt`
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if test $lines -lt 5 -a X$haveunoconv = Xyes; then
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unoconv -f pdf -o "$unopdf" "$infile"
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`dirname $0`/rclpdf "$unopdf/${infile%.*}.pdf"
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else
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# output the catppt result
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echo '<html><head>'
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#echo '<title>' "$title" '</title>'
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echo '<meta http-equiv="Content-Type" content="text/html;charset=UTF-8">'
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echo '</head><body>'
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echo '<pre>'
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catppt -d utf-8 "$infile" | \
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sed -e 's/</</g' -e 's/&/&/g' < $cattxt
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echo '</pre>'
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echo '</body></html>'
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fi
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