#!/bin/sh
# @(#$Id: rcldoc,v 1.8 2007-06-08 13:51:08 dockes Exp $ (C) 2004 J.F.Dockes
# Parts taken from Estraier:
#================================================================
# Estraier: a personal full-text search system
# Copyright (C) 2003-2004 Mikio Hirabayashi
#================================================================
#================================================================
# Extract text from an msword file by executing either antiword
# or wvware
#
#================================================================
# set variables
LANG=C ; export LANG
LC_ALL=C ; export LC_ALL
progname="rcldoc"
filetype=ms-word
decoder="antiword -t -i 1 -m UTF-8"
#RECFILTCOMMONCODE
##############################################################################
# !! Leave the previous line unmodified!! Code imported from the
# recfiltcommon file
# Utility code common to all shell filters. This could be sourced at run
# time, but it's slightly more efficient to include the code in the
# filters at build time (with a sed script).
# Describe error in a way that can be interpreted by our caller
senderror()
{
echo RECFILTERROR $*
# Also alert on stderr just in case
echo ":2:$progname::: $*" 1>&2
exit 1
}
iscmd()
{
cmd=$1
case $cmd in
*/*)
if test -x $cmd -a ! -d $cmd ; then return 0; else return 1; fi ;;
*)
oldifs=$IFS; IFS=":"; set -- $PATH; IFS=$oldifs
for d in $*;do test -x $d/$cmd -a ! -d $d/$cmd && return 0;done
return 1 ;;
esac
}
checkcmds()
{
for cmd in $*;do
if iscmd $cmd
then
a=1
else
senderror HELPERNOTFOUND $cmd
fi
done
}
# show help message
if test $# -ne 1 -o "$1" = "--help"
then
echo "Convert a $filetype file to HTML text for Recoll indexing."
echo "Usage: $progname [infile]"
exit 1
fi
infile="$1"
# check the input file existence (may be '-' for stdin)
if test "X$infile" != X- -a ! -f "$infile"
then
senderror INPUTNOSUCHFILE "$infile"
fi
# protect access to our temp files and directories
umask 77
##############################################################################
# !! Leave the following line unmodified !
#ENDRECFILTCOMMONCODE
checkcmds awk antiword iconv
# We need to do some strange stuff to retrieve the status from antiword. Things
# would be simpler if we relied on using bash.
# Explanations:
#http://stackoverflow.com/questions/1221833/bash-pipe-output-and-capture-exit-status
stdintoexitstatus() {
read exitstatus
return $exitstatus
}
# The strange 'BEGIN' setup is to prevent 'file' from thinking this file
# is an awk program
(((($decoder "$infile"; echo $? >&3) |
awk 'BEGIN'\
' {
cont = ""
gotdata = 0
}
{
if (!($0 ~ /^[ ]*$/) && gotdata == 0) {
print ""
print ""
print "\n\n"
gotdata = 1
}
$0 = cont $0
cont = ""
if ($0 ~ /[-]$/) {
# Note : soft-hyphen is iso8859 0xad
# Break at last whitespace
match($0, "[ \t][^ \t]+$")
line = substr($0, 0, RSTART)
cont = substr($0, RSTART, RLENGTH-1)
$0 = line
}
if($0 == "\f") {
print "
"
next
}
if (gotdata == 1) {
gsub(/&/, "\\&", $0)
gsub(//, "\\>", $0)
print $0 "
"
}
}
END {
if (gotdata == 1)
print "
"
}' >&4) 3>&1) | stdintoexitstatus) 4>&1
# Antiword rarely fails, we try to catch the most common reasons:
if test $? -eq 1 ; then
# Check actual document type
mtype=`file -b -i "$infile" | awk '{sub(";", "", $1);print $1}'`
if test X"$mtype" = Xtext/rtf; then
# RTF document disguising as msword either because it has a .doc
# extension or because it's an attachment with a wrong mime.
exec `dirname $0`/rclrtf "$infile"
fi
if test X"$mtype" = Xtext/plain; then
# Someone gave a .doc ext to their texts. Happens...
exec `dirname $0`/rcltext "$infile"
fi
if test X"$mtype" = Xapplication/msword; then
# Actually application/msword: try wvWare, which is much
# slower and we don't use it by default, but it handles some
# files that antiword won't, so use it as a last resort.
if iscmd wvWare ; then
exec wvWare --nographics --charset=utf-8 "$infile"
fi
fi
# else let the error be...
exit 1
fi