troff.sum

harvest是一个下载html网页得机器人

# *-*-perl-*-*
    eval 'exec perl -S $0 "$@"'
    if $running_under_some_shell;  

#  Troff.sum - uses simple heuristics to determine which macros the 
#  troff source file is using (if any), then runs the appropriate summarizer.
#
#  AUTHOR : David A. Nowitz
#
#  $Id: Troff.sum,v 2.1 1997/04/29 13:16:52 sxw Exp $
#
#############################################################################
#
#  Harvest Indexer http://www.tardis.ed.ac.uk/harvest/
#  ---------------------------------------------------
#
#  The Harvest Indexer is a continued development of code developed by
#  the Harvest Project. Development is carried out by numerous individuals
#  in the Internet community, and is not officially connected with the
#  original Harvest Project or its funding sources.
# 
#  Please mail [e-mail] if you are interested in participating
#  in the development effort.
#
#  This program is free software; you can redistribute it and/or modify
#  it under the terms of the GNU General Public License as published by
#  the Free Software Foundation; either version 2 of the License, or
#  (at your option) any later version.
#  
#  This program is distributed in the hope that it will be useful,
#  but WITHOUT ANY WARRANTY; without even the implied warranty of
#  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
#  GNU General Public License for more details.
#  
#  You should have received a copy of the GNU General Public License
#  along with this program; if not, write to the Free Software
#  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
# 

$file = $ARGV[0];
if ( $file eq '' ) {
        print "Usage: Troff.sum filename\n";
        exit(1);
}

if (! -r "$file") {
        print "Cannot read: $file\n";
        exit(1);
}

open(IN, "$file");
while( $l = <IN>) {
        if($l =~ /^\.AB/) {  exec("Troff-ms.sum  $file"); }
        if($l =~ /^\.TH/) {  exec("Troff-man.sum $file"); }
        if($l =~ /^\.sh/) {  exec("Troff-me.sum  $file"); }
}

exec("Troff-generic.sum $file");